Use any method to solve the equation. If necessary, round to the nearest hundredth. 9x^2-21=0

0.65, - 0.65

1.53, - 1.53

3, - 3

4.58, - 4.58

On Monday Erin measured 3/4 inches of snowfall. It snowed some more at the end of the day. Now there are 3 1/4 inches of snow. How many are inches of snow fell? On tuesday it snowed an additional 2 2/4 inches.

Rana's computer repair service charges $45/h. Bill's computer repair service charges a flat fee of $25 plus $18/h. Each company charges for parts of hours. a) use an equation to describe the cost in terms of hours or service for each company.

5-6n=2n+5 Solve for n

Three friends are holding a car wash and agree to split the profits equally. They purchase supplies for $75. If their total income is $450, how much is each person's share of the profit?

Together, Victor and Tami Vargas earn $33,280 per year. Tami earns $4,160 more per year than Victor earns. How much do Victor and Tami each earn per year?

What does x bar mean in calculus?

How can you add a figure to a composite figure without increasing its perimeter? Draw a diagram to support your answer

Solve the following: 32 : 4 + 4 * 8 = ? A. 96 B. 40 C. 42 D. 32

What is a commutative property of cd

Visitors at Public Pool Use the drop-down menu to complete the statement. Based on the data in the line graph, you can predict there will likely be y visitors in December compared to October.