Twice a number, minus a second number is -1. twice the second number is 9. find the two numbers.
a) 7 and 15.
b) 1 and 15
c) 3 and 7
d) 1 and 3
e) 3 and 15

show your work.

30 pts, will mark brainliestwhat is the period of the sinusoidal function? (picture 1)what is the minimum of the sinusoidal function? (picture2)what is the maximum of the sinusoidal function? (picture 3)

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.