Suppose two chemicals are reacted together. it takes 1000 kj of energy to break the bonds of the reactants and 850 kj of energy are released by the formation of the products. what is the change in energy for the reaction? a) 0kj b)150kj c)-150kj d)850km

The equation y=mx+b is the slope-intercept form of the equation of a line. what is the equation solved for b? y-m=b y-mx=b y/mx=b y/m-x=b

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?

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.