Note that a2 + b2 = c2. to work under a car, a mechanic drives it up steel ramps like the ones shown below. find the length of each side of the ramp. a = ft b = ft c = ft

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

Y=21.95x+10 y=22.45x solve by substitution