How to solve variable on each side

Find f (2) if f (x) = 2x+1

Identify the null and alternative hypotheses, test statistic, critical value (s) or P-value (or range of P-values) as appropriate, and state the final conclusion that addresses the original claim.

Hannah and Francine have $120. Hannah and Peter have $230. Peter has 6 times as much money as Francine. How much money does Hannah have?

A freezer was sold during a clearance sale for $387.50. If the freezer was sold at a discount of 16 and two thirds % , what was the list price?

Certain forest covers an area of 2900 km². Supposed to each year this area decreases by 4.25%. What will the area be after five years?

If ben has 6 apples and gives 2 away how many does he have

Jorge mows his 1/3 acre lawn in 5/6 hour. How many acres will he mow in an hour

A biologist is studying a new hybrid tomato. It is known that the seeds of this hybrid tomato have probability 0.70 of germinating. The biologist plants 10 seeds. A.

Kyle exercised hours on Wednesday, hours on Thursday, and hours Friday. How many hours did Kyle exercise in the three days? A. 11 1/26 B. 8 11/16 C. 8 3/26 D. 4 3/16

1. There are currently 1215 people living in a town. The population of the town is expected to double every 7 years. Find the expected population in 25 years.