A rectangular wooden frame for shaping poured concrete requires a steel cross wire across the diagonal to support it. The rectangular
frame is 10 feet by 5 feet. How long, to the nearest tenth of a foot, must
the cross wire across the diagonal be?

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?