If a semi-circle is rotated about the y-axis as shown below, what three-dimensional figure would be formed? this would make a sphere, correct?

Ashopper bought a watermelon a pack of napkins and some paper plates in his state there was no tax on food the tax rate on non-food items is 5% the total for the three items he bought was 825 before tags and he paid $0.19 in taxes how much did the watermelon cost

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?