Determine the value of a + b in the system of equations below.

3a + 6b = 10
2a − 12b = 20

Select one:
A. 6/25
B. 25/6
C. 7
D. 2

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?