The price of a gallon of unleaded gas was
$2.86
yesterday. today, the price fell to
$2.80
. find the percentage decrease. round your answer to the nearest tenth of a percent.

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

Use sigma notation to represent the following series for 9 terms.