In science class, Matt tried to find the mass of a penny. A penny is known to have a mass of 2.5 g. Matt overestimated the weight of the penny and had a percent error of 4%. How much did Matt think the penny weighed?

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.

The height, h, of a cylinder is 5 units less than 3times its radius, r. which expression represents the height of the cylinder in terms of its radius