What is a possible solution set to x + 7 ≤ -9 ?

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?

Cone a has a surface area of 384 ft2 and cone b has a surface area of 96 ft? . what is the ratio of their volume?