How do I find the value of Q in the following systems so my solution to the system is

{ (x, y) : x - 3y = 4}

X-3y=4

2x-6y=Q

Broth fractions in the expression 1/3+1/3 are examples of

an angle measures 70° less than the measure of a complementary angle what is the measure of each angle

Prove whether or not 200 is a perfect square.

There are 43 students at a musical performance. each row in the auditorium has 8 seats. if the students fill seats row by row from front to back, how many people are in the last row?

Using the formula C = 2πr, find the circumference of a circle with diameter of 28 inches. Round your answer to the nearest inch. A. 56 in. B. 44 in. C. 88 in. D. 28 in. 28 in.?

What is the factores form of 4x^2+23x-72

Suppose that the cost of renting a snowmobile is 37.50 for 5 hours. What would be the cost of renting 2 snowmobiles for 5hours?

44/5 as a mixed number

Determine the sign of cos pi divided by seven without using a calculator. Positive Negative

Helga and Julie are sisters. Helga is six years younger than twice Julie's age. The sum of Helga's age and Julie's age is 36. Write an equation that can be used to find Helga's age