20 less than eight times a number is the same as 15 more than the number

A box holds 18 chocolates and has a gross mass of 310 g. each chocolate weighs the same. when 8 chocolates have been eaten, the box and the remaining chocolates together have a mass of 210 g. what is the mass of each chocolate?

Enter the slope-intercept equation of the line shown below.

Using complete sentences, explain how to find the average rate of change for f (x) from x = 4 to x = 7. My equation is f (x) = - 2 (x-6) ^2 + 95

Jonah purchased a tablet from a store on credit. He is charged no interest and makes a payment each month. The function graphed models Jonah's account balance, y, at the store, in dollars, after x months.

What's 245.675 and the nearest tenth?

It takes April 7 1/3 hours to drive to her grandparents' house. So far she has driven 3 5/6 hours. How many more hours does April need to drive?

A tree that is 6 ft tall casts a shadow that is 18 ft long. Find the height of a globe that casts a 6 ft shadow. 'Answer each question and round your answer to the nearest whole number.'

Approximate The square root of 12 to the nearest tenth. Explain how you got your answer.

Four times a number decreased by 8 equals 92

The weight of a car is modeled with the polynomial x2 + 10x + 200. The weight of a x3 + x + 100. Which polynomial represents the total weight of the car and truck?