Perform the indicated operation and write the result in the form a + bt.
(4 +9t)(7 - 4t)

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4

The angle of elevation from point a to the top of the cliff is 38 degrees. if point a is 80 feet from the base of the cliff , how high is the cliff ?