What is the value of m and n

5m+6n = - 49

10m+5n = - 70

What is the value of r and s

3r+2s = 44

9r+8s=146

9 4/5 + 3 1/5 = as an improper fraction?

At what interest rate (to the nearest hundredth of a percent) compounded annually will money in savings double in five years?

At the movie theatre, child admission is $6.20 and adult admission is $9.30. On Monday, 157 tickets were sold for a total sales of $1178.00. How many adult tickets were sold that day?

2/3 (6m - 9) = - 17 - 18m

Geoff thinks of a number. He deducts five from it and the divides the result by three. His answer is 25. what number did he start with?

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

A toy manufacturer needs a piece of plastic in the shape of a right triangle with the longer leg 6 cm more than the shorter leg and the hypotenuse 12 cm more than the shorter leg. How long should the sides of the triangle be?

To celebrate, Clare went out to eat with her 3 friends. Their meal, including tax, was $75. If they left a tip, what is their total bill including the tip.

2x + 2/3 equals 1/3 what is X