Please Help ASAP!
Sam scored 59, 64, and 68 on three tests. How many points should he get on the fourth test to get an average score of 70?

1. 63.67 points
2. 65.25 points
3. 75 points
4. 89 points

Please please help!

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?

Prove the following(cot0+cosec0)[tex](cot0 + cosec0) { }^{2} = \frac{1 + cos0}{1 - cos0} [/tex]