The area of a trapezoid is 140 cm2 and the height is 20 cm. What is the sum of the bases? A. 14 cm

B. 49 cm

C. 60 cm

D. 7 cm

Ten times the square of a non-zero number is eqaul to ninety times the number

Ialready asked this but i never got an answer. will give a high rating and perhaps brainliest. choose the linear inequality that describes the graph. the gray area represents the shaded region. y ≤ –4x – 2 y > –4x – 2 y ≥ –4x – 2 y < 4x – 2

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4