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

5x + 4y = 19

x - 2y = 1

Jarod bought 8 yards of ribbion he needs 209 inches to use to make curtains how many inched of ribbon does he have.

Dan has $3.75. if he spends 1/3 of his money how much will he have left

Find the GCF using list of factors number 9

Sara's May electric bill is only 32% of her April bill. If her May bill is 45.44, what is the amount of her April bill?

James has 14,500 g of sand in his sandbox. he brings hike another 7,400 g of sand from the beach to add to his sandbox

18.4 + 8w = 6 (9w - 4.6)

What is a bird favorite type math

You design a tree house using a coordinate plane in which the coordinates are measured in feet. The vertices of the floor are (-2,-3), (-2,4), (5,4) and (5,-3). Find the perimeter (in yards) and the area (in square yards).

Which table represents a direct variation function? Input (x) 2 3 4 5 6 Output (y) 7 8 9 10 11 Input (x) 2 4 6 8 10 Output (y) -3 -5 -6 -7 -8 Input (x) -5 -4 -3 -2 -1 Output (y) 10 8 6 4 2 Input (x) -2 1 0 1 2 Output (y) -3 -3 -3 -3 -3

A certain population of bacteria has an average growth rate of 2%. The formula for the growth of the bacteria's population is A=P0?1.02t, where P0 is the original population and t is the time in hours.