The sum of a number is 30 and a difference of 6

The sum of two numbers is 31. 2/3 of one of the numbers added is equal to 5/8 of the other. find the two numbers

Solve the equation: (3) ^x+4 = (7) ^2x-1

Evaluate the expression 4x^4 y^3 when x=1/5 and y=6

Keisha runs each lap in 8 minutes. she will run less than 7 laps today. what are the possible numbers of minutes she will run today?

Susan is on the swim team. Below are four of her times swimming 100 meters. 23.07 seconds, 22.24 seconds, 23.18 seconds, 22.95 seconds what is the difference between her best times and worst time?

Amedeo rental store rented 170 horror 230 drama 120 mystery 310 romance and 150 comedy if a person Celexa movie to rent what is the probability that it will be romance or comedy

The perimeter of a rectangle is 66 m. the length is 1 m more than three times the width. find the dimensions of the rectangle.

What is the value of the missing exponent in the expression below 523 : 10□ = 52.3

2x+3=x+x+3 Show your work

Based on the lesson, identify the first operation needed to solve the following equation. 2x + 3 = 11