Solve 2cos2x + cosx − 1 = 0 for x over the interval [0, 2 ). A. and 3 B. , 3 , and 5 3 C. 1 and 2 3 D. 1, 2 3 , and 4 3 E. 1, 3 , and 5 3

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m