2i^4-5i^3+3i^2+√-81 rewritten in a+bi form?

How do use solve 3x+y=5 2x-2y = - 2

The altitude a (in feet) of a plane t minutes after liftoff is given by a=3400t+600. How many minutes after liftoff is the plane at an altitude of 21,000 feet?

Which formula does NOT describe the sequence 8, 6, 3, - 1, - 6, ...?

How many one-digit integers are in the interval between - 5 and 3.02

Angle BCD is a circumscribed angle of circle A. What is the length of line segment AC? 10 units 12 units 14 units 16 units

In a theater the ratio of adults to children is 8 to 14 in the theatre how many children are there

Lily swims a 100 meter race she swims the first half and 27.8 seconds she swims the second half and 30. 12 seconds about how long does it take Lily to swim the whole race choose the best estimate

Find the area of a triangle with sides 13 meters, 12 meters, and 5 meters

Consider the following list of numbers. 129, 682, 121, 516, 609, 52, 47 The height of a binary search tree is the maximum number of edges you have to go through to reach the bottom of the tree, starting at the root.

A football team paid 28 dollars per jersey. They bought 16 jersey. How much money did the team spend on jerseys.