Write an inequality for each of the phrases or word problems. Solve for the missing variable and graph the solution set on the number line. The value of number plus 17 is less than 12.

A number times negative three is at least 12.

The difference between a number and three is more than 10.

There were at most b bananas on your banana bunch. You have eaten at least one and have 8 left. How many were on the bunch?

Susanna purchased a shirt for $5, pants for $10, and a jacket for $25. She wants to buy at least one purse for the outfit, but she wants to have something left of her original $65. How much money might she spend on the purse?

A lift holds no more than 1200 pounds. If you are rolling a cart that weighs 760 pounds, how much more can the elevator hold?

1 is c

2 is a

3 is a

step-by-step explanation:

la parábola es el lugar

geométrico en el cual los puntos tienen una distancia idéntica, equidistantes,

de un punto denominado foco, f, y una recta denominada directriz

el radio vector de una

parábola es el segmento que existe entre un punto cualquiera y el foco.

por la ecuación se observa

que la parábola abre hacia la derecha, por lo cual podemos usar las siguientes fórmulas

la ecuación ordinaria de la

parábola es y^2 = 4px, donde p es la longitud desde el vértice de la parábola al

foco.

la fórmula de la directriz

es x + p = 0

resolviendo:

y^2-9x = 0

y^2 = 9x

4p = 9, entonces p = 9/4

entonces el foco tendrá la

coordenada f(9/4,0)

la directriz vendrá

expresada por

x + p = 0

x = -p

x = -9/4

el problema indica que la

ordenada es igual a 6, entonces

(6)^2=9x

x = 36/9

x = 4

entonces el punto al cual

hay que obtener la distancia será p(4,6)

calculando se tendrá: pf = 

pf = 6,25 u

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step-by-step explanation:

180-142=38 for the acute angle next to the entry

90+38=128

180-128=52

a=52

step-by-step explanation: