Right triangle PQR is shown on the graph below. If the point (x, 7) lies on the line that goes through side QR of the triangle, then what should be the value of x?
AY
5
83.3)
2
P
2
2
3
4
5
6
7
OA 3
OB. 3
OC. 5
OD. -2

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?