Solve the system of equations by the substitution method

y = 2x+7

y=9x+8

Variable y varies directly with x^2, and y=180 when x=6. what is the constant variation in the quadratic variation equation?

The circumference of a circle is 21 Pi determine the area of a circle to the nearest hundred

One number is three times as large as another number. when the smaller number is increased by nineteen, the result is 6 less than twice the larger number. what is the larger number?

What is 90 as a fraction

Determine whether each table or rule represents a linear or an exponential function. Explain why or why not. 1. y = 4 * 5^x 2. y = 12 * x 3. y = - 5 * 0.25^x 4. y = 7x + 3

The graph represents function 1, and the equation represents function 2: A coordinate plane graph is shown. A horizontal line is graphed passing through the y-axis at y = 4.

What is 13.48 rounded to the nearest tenth

What does 21 over 8 equals

An orange is shot up into the air with a catapult. The function h given by h (t) = 15+60t-16t^2 models the orange's height, in feet, t seconds after it was launched select all the true statements about the situation.

Aaron, a car salesman at KIA, makes 4% commission on all sales he sells 5 cars for $15,000 each. What was the total commission on his sales.