Who is good at the maths/ algebra? ?

which answer is a solution to the open sentence
8 < 2b or 2b + 15 < 5

a. b > - 3 or b < 4

b. b > 4 or b < -5

c. b < - 2 or b> 3

d. b > - 1 or b< 3

Question: a) does the given set of points represent a linear function? how do you know? b) assume that the point (-2,4) lies on the graph of a line. what y-values could complete this set of ordered pairs that lie on the same line: (- (hint: there are several correct answ

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Given sin∅ = 1/3 and 0 < ∅ < π/2 ; find tan2∅ a. (4√2)/9 b. 9/7 c. (4√2)/7 d.7/9