5x-1+7x-5=180

how do i get the answer

Find the surface area of the composite solid

Sandy spent half of Her allowance going to the movies. She washed the family car and earn seven dollars. What is your weekly allowance if she ended up at $12?

56 is 28% of an unknown number? (X)

Solve for x: 4/5 x = 1

Find the area of a regular hexagon with a side length of 10 inches. a. A = 100√3 sq. in b. A = 100√2 sq. in c. A = 150√3 sq. in d. A = 150√2 sq. in (Do not answer me with 259.81in² and don't guess)

Verify sinx-siny/cosx-cosy=-cot ((x+y) / 2)

3 (4x+2) - 4x-2= -4/,/,-4 -4

4x+3y=12 find the x and y intercepts

When this car moves forward by 180 cm, each wheel does one full turn. What is the diameter of the wheels to the nearest centimetre?

The intersection of roads M and N creates a 41.4 angle. What are the complementary and supplementary angles of this intersection A. The complementary angle is 48.6 and the supplementary angle is 138.6 B. The complementary angle is 79.