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?

B) In a play school, there are 16 red balls and the rest are white balls. The ratio of red balls to white balls is 4:5. Find the number of white balls.

What type of employees would calculate area on the job? Pair up with someone in your household (or a fellow classmate over the phone) and brainstorm a list of jobs whose employees would calculate area.

At the beginning of spring, Aaliyah planted a small sunflower in her backyard. When it was first planted, the sunflower was 20 inches tall. The sunflower then began to grow at a rate of 2 inches per week.

A right triangle had hypotenuse of 13 cm and one leg that measures 12cm. What is the length of the other leg

If you divided 37 objects into sets of 5, how many sets of 5 could you make, and how many are left over?

Identify the statement as true or false. Explain your reasoning. The values of a sample statistic for different random samples of the same size from the same population will be the same.

Solve u+3v^2-2u^3; u=-1 and v=-3

Write two like terms using whatever variable (s) you'd like. be sure to include exponents. explain why these are like terms.

When alexis works overtime (any hours over 40 hours a week), she is paid 1.5 times her regular hourly rate. in one week, she worked 51 hours. if her regular hourly rate is $7.05, how much did she earn that week?

You have 5,814 feet of rope that you need to cut into 27-foot sections. How many sections of rope will you have? a. 215 sections with 8 feet left over b. 215 sections with 9 feet left over c. 218 sections with 3 feet left over d.