How do i simplify - 10x+10x

Solve using an appropriate problem-solving strategy. Monique has $2.00 in change in her purse. If she has an equal number of nickels, dimes, and quarters, how many of each does she have?

A rectangle is 7 feet long by 4 feet wide. If 4 feet are removed from the length of the rectangle, what would be the area, in square feet, of the new rectangle?

Mrs. Morton has a special reward system for her class. When all her students behave well, she rewards them b putting 3 marbles into a marble jar. When the jar has 100 marbles or more, the class has a party, Right now, the jar contains 24 marbles.

Which two integers is - 57 between?

An expression to convert 50 miles per hour to miles per minute is shown. 50miles/1hour x 1hour/0minutes

a right Triangle has one angle Measuring 90 degrees and another angle Measuring 30 degrees what is The Measure of The 3rd angle 90 degrees 60 degrees 50 degrees 30 degrees or 120 degrees

A researcher for an airline interviews all of the passengers on five randomly selected flights. Identify which sampling technique is used ... 1). Stratified. 2). Convenience. 3). Cluster. 4). Random

Find the x - and y-intercepts of 3x + 6y = 18 Example of answer, (0,0), (0,0)

Sorry for so much questions but does anyone know how to do this question 2 is less than or equal to - 1t

Which of the following illustrates the truth value of the given mathematical statements? 6 + 3 = 9, and 4.4 = 16 OTE-F OFF-F OFT - F OTT-T