Select the quadratic expression that represents the product below. (2x+5)(7-4x)

A. -8x2 - 6x + 35
B. -8x2 - 34x + 35
C. -8x2 + 34x - 35
D. -8x2 + 6x - 35

You put the following items into your rucksack. ham 600 g cheese 380 g tomatoes 270 g how much do all the ingredients weigh in total?

Evaluate this using ! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65

The height above the ground (in feet) of a ball dropped from the top of a 30-foot-tall building after t seconds is given by the polynomial: ? 16t^2+30 what is the height of the ball after 1/2 second?