What is the combined time for all the runners

Solve and round if neccesary - 2x^2+18+7x

Can someone graph this equation? 3x-10=21+3x

If z = a - bi, which of the following must be true of the imaginary part of the complex conjugate of z? a. It must be the opposite of - bi. b. It must be the opposite of bi. c. It must be the opposite of - b. d. It must be the opposite of b

Jen wants to tile the oor of her kitchen. e oor is rectangular and measures 12 feet by 8 feet. If it costs $2.50 per square foot for the materials, what is the total cost of the materials for tiling the kitchen floor ?

Raul is selling coupon books. He started with 50 coupon books and has already won a prize for selling at least 10 coupon books. The total amount of money Raul will make from selling x coupon books is represented by a function.

Evaluate 4 g - 12 minus, when g = 5

Inequalities: 11≤P+4?

Cual número entero tiene 2*5 como factorizacion prima

One sixth of a right angle

G. O is going on a hike in the mountains on a hot summer day. He has 4/5 of water that he can split into 4 bottles. What fraction of gallon is in each bottle?