Find the volume of a cone if the diameter of the base is 36cm and the slantheight is 30 cm

In 1964, paleontologist discovered the bones of a new species of dinosaur. The age of the dinosaur was estimated[..]

Find the present value of the ordinary annuity. (Round your answer to the nearest cent.) $150/month for 10 yr at[..]

Jamila is 10 years old. She is half her aunt's age minus 8 years. Use x to find the age of Jamila's aunt. Write an[..]

A merchant has coffee worth $20 a pound that she wishes to mix with 60 pounds of coffee worth $70 a pound to get a[..]

Anthony invested a sum of money 4 yr ago in a savings account that has since paid interest at the rate of 8%/year[..]

Use logarithms to solve the problem. Find the interest rate needed for an investment of $3900 to double in 5 yr if[..]

Find the present value of $40,000 due in 6 yr at the given rate of interest. (Round your answer to the nearest[..]

Find the accumulated amount A if the principal P is invested at the interest rate of r/year for t yr. (Round your[..]

Determine the simple interest rate at which $2400 will grow to $2535 in 6 months.