84: 36=: 3
find the missing term of each pair of equivalent ratios

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Find the pattern and use it to list the nth term in the sequence. 6, 12, 20, 30, 42, 56, the nth term of the sequence is