To find the mean, add up all the test scores and divide by the number of tests:
524/10 = 52.4.
Answer:
52
Step-by-step explanation:
plug in 3 if we're going by 0,1,2,3
2+ (3-1)25
2+50
52
Answer:
x = -2
Step-by-step explanation:
1) add 2 to both sides to eliminate -2.
5x = -10
2) divide both sides by 5.
x = -2
Answer:
(2,-5)
Step-by-step explanation: