How can I simplify this expression 2x-y+5x

In the diagram, the measure of angle 2 is 126°, the measure of angle 4 is (7x) °, and the measure of angle 5 is (4x + 4) °. A transversal intersects 2 lines to form 8 angles. Clockwise from the top left, the angles are 1, 2, 3, 4; 5, 6, 7, 8.

Part of a cheerleading routine is throwing a flyer straight up and catching her on the way down. The flyer begins this move with her center of gravity 4 feet above the ground. She is thrown with an initial vertical velocity of 30 feet per second.

Solve for the equation 4/3v+1=21/4-3/2v

What is 300 yard / 1 minute in unit rate per second

Carlie spend $42 at the salon. Her mother loaned her money. Carlie will pay her mother 15% of $42 each week until the loan is repaid. About how much will Carlie pay each week.

Eighteen and seventy-five hundredths in standard notation

Which road makes with the horizontal

Jerry is filling a water tank which initially consists of 75 gallons of water. As the water is being pumped in, the water in the tank increases by 2.5 gallons every minute.

Tickets to the senior class play cost $7. Production expenses for costumes and sets are $350. The profit (p) will depend on the number of tickets sold (n).

If you can buy 1/2 of a gallon of milk for $3 how many gallons can you buy for $5 write your answer as a fraction of a gallon