Tessa wants to install a zipline between two prees. the zipline will be strung between the trees at
points 42 feet and 3 feet high. suppose the trees are 60 feet apart. what is the length of the zipline to
the nearest tenth of a foot?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Find the distance between (0,5) & (-4,2)

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)