When graphing pairs of similar triangles I don't know how to figure out positive and negative for the fraction of slope

What is r 3/s for r=-6 and s=-2

Simplify 8 (7x - 1) + 4 (x + 5).

Simon went to the store with a $5 bill to buy a drink. he spent of the $5 to buy a drink. select the fewest number of each bill and coin to correctly show the change simon received from the $5 bill.

A circular plate has a diameter of 16 inches. What is the area of the plate to the nearest square inch?

Jollie has $1700 na savings account that earns 2% simple interest. How much interest was earned after 4 years?

Here is a set of data 3.9, 2.1, 0.8, 1.5, 4.1 A = calculate the mean B = each piece of data is increased by 5, calculate the new mean C = each piece of new data is now double, calculate the new mean

How do I turn2-1/2x=y into y=Mx+b

Two lines intersect to form angles 1, 2, 3, and 4 as given. The measure of ∠3 is 38°. What is the measure of ∠2 ?

Solve the system using linear combination. show all work. 9x+5y=35 - 2x-5y=0

A roller coaster track is 600 meters long. It takes 20 seconds to travel once around the roller coaster. Calculate the average speed of the roller coaster