A grocery store worker has to collect all the shopping carts left out in the parking lot. They collect 4 carts and measure the length of the 4 carts to be 51 inches. They then collect another cart for a total of 5 carts. They measure the length of the 5 carts to be 57 inches. a. There are a total of 21 carts in the parking lot. How long will the line of 21 carts be?

b. If the grocery store worker is pushing a line of carts that is 117 inches long, how many carts do they have?

c. How long is a single cart?​

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for this pair of functions g(x)=x-2 and f(x)=|x| is (g o f)(a)= |a| -2

step-by-step explanation:

g(x)=x-2

f(x)=|x|

(g o f)(a)=?

(g o f)(x)=g(f(x))

(g o f)(x)=g(|x|)

(g o f)(x)=|x|-2

(g o f)(a)=|a|-2

363 square inches

step-by-step explanation:

surface area of a pyramid is b + 1/2ph

b is the area of the base: 11 x 11 = 121

p is the perimeter of the base: 11 + 11 + 11 + 11 = 44

h is the height of the pyramid: 11

121 + 1/2(44)(11)

121 + 242

363

3x^3-2x^2+4x-3= -3

x^2+3x+3= 3

-3÷3= -1