The function c=120+.20m represents the cost see in dollars of renting a car after driving miles how many miles would a customer have to drive for the cost to be $140

Customer have to drive for 100 miles for the cost to be $140.

Step-by-step explanation:

Here, the cost of rest function is given as:

C =  120+.20 m

From above function, we can see that :

m = Number of miles traveled by the rent car

(1) The fixed rental charge of  renting a car = $120

(2) The per mile rent of the car = $0.20

Now, C = $140

⇒140  =  120+.20 m

or 140 -  120 = 0.20 m

or, 0.20 m = 20

⇒ m = 20/0.20 = 100

or, m = 100

Hence, customer have to drive for 100 miles for the cost to be $140.

c. 27 units.

step-by-step explanation:

we are told that in circle a, ∠bae ≅ ∠dae.

we can see from our given diagram that in and ;

, as these are radii of our given circle.

therefore, by sas congruence postulate.

hence, side be will be equal to side de as corresponding parts of congruent triangles are congruent. so we can set an equation to find the value of x as:

now let us substitute x=17 in the expression for the length of be.

therefore, length of be will be 27 units and option c is the correct choice.

(5x-1)^2= (5x)^2-2(5x)×1+(1)^2=25x^2-10x+1