4x + 5x + 12 = - 6 (given)

9x + 12 = - 6 (simplify)

9x = - 18 (subtraction)

x = - 2 (addition)

Which reason is incorrect?

What type of angle would be measured at 117°?

Convert - 2 2/3 to a decimal

Four more than three times a number is equal to 25. What is the number?

Expand the polynomial f (n) = (n-0) (n-1) (n-2) (n-3) (n-4).

160 pounds to kilograms

Evaluate 2/3 - 1/6. a. 1/6 b. 1/2 c. 5/6 d. 1

15%of $30 as a decimal

The ordered pairs model an exponential function, where j is the function name and e is the input variable. { (1, 10), (2, 50), (3, 250), (4, 1250) } What is the function equation in sequence notation?

Simply and reduce to lowest terms a + [a + b - a - (2a - b) ]

What percentage of a data set is represented as Q1?