Which equation combines with the given equation to form a system of equations with the solution x = 3 and y = 9? x + 2y = 21

Solve the compound inequality-1<4m+7<11

If the complex number x = 3 + bị and x/2 = 13, which is a possible value of b?

What is 1.852 rounded to the nearest hundredth of a pound

The sum of all positive integers less than 400 which are divisible by 5.

How do i solve this 6=4x+9y

Mrs. Jacobsen purchased a 5-pound package of ground beef for $12.40. She decided to use 8 ounces each day for dinner recipes. What was the cost of ground beef per meal?

If (7^2) ^p = 7^6, what is the value of p? 2 3 4 8

The population at Saint Maria High increased from 1800 students ten years ago to 1926 students last year. What was the percent increase?

A triangle is placed in a semicircle with a radius of 7cm, as shown below. Find the area of the shaded region. Use the value 3.14 for π, and do not round your answer. Be sure to include the correct unit in your answer. 7cm

What can each term of the equation be multiplied by to eliminate the fractions before solving