In ΔCDE, the measure of ∠E=90°, the measure of ∠C=78°, and DE = 2.2 feet. Find the length of EC to the nearest tenth of a foot.

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Which expression is equivalent to -5(3x - 6/7)