There are 36 red or blue marbles in a bag. The number of red marbles is 9 more than 2 times the number of blue marbles. Write a system of linear equations that represents this situation

Mrs. Tiwari has two sons, one being exactly one year older than the other. Her age is equal to the sum of the squares of the ages of her sons. If 4 years hence her age becomes five times the age of the elder son then find the ages of her sons.

A+10=55 how do I solve this

What is the volume of a rectangular prism with the dimensions: base 5 2 cm, height 3 2 cm, and length 7 2 cm? A) 105 2 cm3 B) 105 4 cm3 C) 105 6 cm3 D) 105 8 cm3

What is the sum of the measures of the interior angles of a pentagon? Enter your answer in the box.

Use the given information to find the exact value of the expression. sin θ = 24/25, θ lies in quadrant II Find tan 2θ. A. - 526/527 B. 336/625 C. - 336/527 D. 336/527

What is the sum of the exterior angle measures of triangle xyz?

If P dollars is deposited in a savings account that pays interest at a rate of r % per year compounded continuously, find the balance after t years. (Round your answer to the nearest cent.) P = 100, r = 2 1/2, t = 12

Linda bought 56 books. Linda bought 8 times as many books as Pablo. let b be the number of books pablo bought

Which equation should be used to solve 81 + * = 108

Nadia started at 19.26 feet below sea level and then changed her altitude by climbing a total of 5,437.8 feet up from her initial position. What was Nadia's altitude at the end of her climb