Simplify the expressions using the properties for exponents.
a. -15° =
b. ( - 15)° =

The chart below shows the distribution of weeds in yard

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent

Find the root(s) of f (x) = (x- 6)2(x + 2)2.