Identify the pattern for the following sequence. find the next three terms in the sequence. -15, -11, -7, -3,a. subtract 4; -7, -11, -15 b. add 4; 2, 6, 10 c. subtract 4; 1, 5, 9 d. add 4; 1, 5, 9 select the best answer from the choices provided a b c d

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.