18. Find the solution of the following two equations. Then check by substituting solution into each equation.

5x + 4y = 19

x - 2y = 1

A basketball player made 75% of her free throws in 10 games. She had 36 free throw tries. How many did she make?

Factorise the following 6a2b-12ab-210b

Which expression is equal to 7 (1+3) A.) 7+21 B.) 7+3 C.) 1+21 D.) 7+4

Solve the following equation: - 4x - 6 = 10 4 -4 1 -1

There were nn signers of the Declaration of Independence. The youngest was Edward Rutledge, who was x years old. x is 25% of 104. What was Rutledge's age?

The radius of a cylinder is increased from 9 to 9.03 inches. if the height remains constrant at 12 inches. Estimate the change in volume

Sun Valley and San Jose are 105 km from each other. How far apart would the cities be on a map that has a scale of 1 cm : 15 km?

Y^2-18y+81 quadratic equation/formula

if three pipes are all opened, they can fill an empty swimming pool in 3 hours. THe largest pipe alone takes one third the time that the smallest pipe takes and half the time the other pipe takes.

Greg drove at a constant speed in a rainstorm for 240 miles. He took a break, and the rain stopped He then drove 192 miles at a speed that was 8 miles per hour faster than his previous speed.