Jill is taking an exam to become a firefighter. The exam is a mix of long and short questions. Jill has 90 minutes to take the exam and knows she is not expected to answer every question. A long question takes 10 minutes to answer and a short
question takes 2 minutes. If x denotes the number of short questions and y denotes
the number of long questions that Jill will attempt, what linear inequality describes
the constraint on Jill's time given above?

Astudent showed the steps below while solving the inequality |x-4|< 1 by graphing.

Astudent drew a circle and two secant segment. he concluded that if pq ~= ps, then qr ~= st. do you agree with the student’s conclusion? why or why not?

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit