Solve the following for y: 9x-3y=18

Write two equations that have one unique solution each

Which system of equations is equivalent to the system of equations shown? 2x - 4y = 12 3x - 5y = 20 A) 5x - 9y = 32 and 6x - 10y = 40 B) 5x + 9y = 32 and 6x - 10y = - 40 C) 5x - 9y = 32 and 6x + 10y = 40 D) 5x - 9y = 32 and 6x - 10y = - 40

Which is the best estimate of each percent? 48% of 199 A. 0.1 B. 1 C. 10 D. 100

A college charged $2.00 to park a car in their garage and additionally, $4.00 an hour for each hour parked. Tom paid $20.00 to park there. The equation to represent the situation, using x as a variable. is

If the regular price is $3.77 and has a markdown of 35% what is the sale price?

Emily sold 78 boxes of cookies for a fundraiser. If she sold 40% of the total number of boxes sold for the fundraiser, how many total boxes of cookies were sold for the fundraiser?

How bad is the heavy traffic? you could walk 15 miles in the same time it takes to travel 30 miles by car. if the cars rate is 4 miles per hour faster than your walking rate, find the average rate of each

a contractor used about 4 1/5 pounds of nails per day. How man pounds of nails did she use in 5 days?

The temperature on Saturday was 6 1/2 celcius. On Sunday it became 3 3/4 celcius colder what was the temperature on sunday

Calculate the average rate of change of f (x) = 3x2 + 2x + 1 for 2 ≤ x ≤ 4. A) 10 B) 20 C) 37 D) 40