What is an expression for twice a number, increased by 5

Is 0.144 squared rational or irrational

Solve ln 65 - ln x = ln 39 to find the value of x.

What is 31.37 add by 6%

The function f (x) = 2x + 210 represents the number of calories burned when exercising, where x is the number of hours spent exercising.

1.4=0.7p solve the equation

Lynn is 4 years younger than her sister Tobbe. If the sum of their ages is 18, how old are Lynn and Tobbe?

How do you factor by finding the common monomial factor?

Devon purchased a new car valued at $16,000 that depreciated continuously at a rate of 35%. It's current value is $2,000.

Marty buys a bicycle for$350 reduced from $402,50 what is her percentage saving

An unknown number y is 12 more than an unknown number x. The number y is also x less than 17. The equations to find x and y are shown below. y = x + 12 y = - x + 17 Which of the following statements is a correct step to find x and y?