Graph the numbers that are solutions to x+7>9 and 8x≤64.

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

What is the explicit rule for the sequence in simplified form? −1,−4,−7,−10,−13… an=4−5n an=−4−3n an=2−3n an=−6−5n

Amap has a scale of 3.5 inches = 20 kilometers. if the distance between two cities on the map is 4.9 inches, what is the actual distance between the two cities?