Which function is a quadratic function? y - 3x^2 = 3(x^2 + 5) + 1
y^2 - 7x = 2(x^2 + 6) + 7
y - 2x^2 = 6(x^3 + 5) - 4
y - 5x = 4(x + 5) + 9

find out the value of b

step-by-step explanation:

7 weeks

step-by-step explanation:

convert each fraction to the least common multiple of 20, so 3/4 = 15/20 & 1/10 = 2/20, then divide 15 by 2 and you get a little over 7, so the food will last 7 weeks.

a² + b²= c²

24² + 7² = c²

c= 25

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt