A factory uses 15 pounds of steel for every 18 pounds of copper. How much copper will the factory use for 2,700 of steel. A. 2,250lbs B. 2,400lbs C. 3,240lbs D. 3,700lbs?

f (x) = x2-3x-7 find f (-3) a - - 7 b - 8 c - 11 d - 22

Ricky rides his bike 12 miles every day he stops 7 miles to rest write and solve an equation to find out how much further he has

Can a triangle be formed with the sides lengths of 7 cm, 2 cm and 9 cm

How do I do the inverse operation on 151+39=190

How do you devide - 648:9206

A student estimates that it would take 3 hours to write a book report, but it actually took her 5 hours. What is the percent error?

Jerry makes 20$ an hour. He spends 30 dollars a day on transportation and food. Write an expression to describe his spending and earnings for the day, where x is the number of hours that Jerry works that day.

Find the percent increase for the given original and new quantities in parts a through c. a. Original quantity: 100 New quantity: 106 b. Original quantity: 10 New quantity: 16 c. Original quantity: 50 New quantity: 56 a.

What is - x^2+12x-32 in standard form?

Simplify the given equation. 5x + 2 (x - 3) = - 2 (x - 1) 7x-3 = - 2x-1 7x - 6 = - 2x + 2 7x-6=-2x-2