Which operation will "undo" subtraction? addition subtraction multiplication division

what is a+1 1/4=2 7/10 solve each equation.

Jake tossed a paper cup 50 times and recorded how it landed. The table shows the results: Number of Times Landed in Position: Open Side Up: 2 Closed Side Up: 6 Landing on Side : 42 Based on the table, determine the experimental probability of each

High population density can cause increases in competition for resources, such as food and shelter. The table shows the number of zebras living in four different regions.

What are the dimensions of a rectangle that has a perimeter of 44 units and an area of 105 square units?

Order the folowing fractions from smallest to largest: 6/5, 9/8, 14/1 and 1 1/4

Jocelyn's age is 6 years greater than three times the age of her niece, H. What expression represents Jocelyn's age?

What the error? Jonah says a common denominator for 3/4 and 2/5 is 9 what is Jonah error? explain

If you are paid an hourly wage of $9.00, determine an equation for finding your weekly gross pay (P) for t hours. Specify an amount between 25 and 40 hours worked for 1 week and determine your gross pay for that week.

What is the value of q in the equation _/4a-2 = _/3a+8

Evaluate the expression xy for x=7 and y=5