Quadrilateral qrst is a rectangle. rt = 5x + 1 and qs = 6x – 3. find qs.
a. 8
b. 21
c. 42
d. 4

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?