Solve algebraically

x-4y=-10

x+y=5

Cot (pi/2-x) / Cosx **I know that the answer to the problem is tanxsecx, but how do you get to that answer?

What is 2/6 subtracted by 7/12

Solve for n. 11 (n - 1) + 35 = 3n 0 n = -6 n=-3 0 n=3 0 7 = 6

How many 25cm diameter cake tins will fit into 600mm by 500mm oven space

A ninth-grade student opens a savings account that locks her money in for 4 years at an annual rate of 6%, compounded daily.

Georges age increased by 15 is 7 less than 3 times age how old is george

Steve is turning half of his backyard into a chicken pen. his backyard is a 24meter by 45 meter rectangle. he wants to put a chicken wire fence that stretches diagonally from one corner to the oposite corner.

Find the ratio of the geometric sequence:.25,.75, 2.25, 6.75

14,700 cm3 of wax how many candles did they make

Which table represents the unit rate 200 calories/serving