Ms. Jacobson is taking her son and five friends to a trampoline gym. The cost to enter the gym is $9 for each person. Ms. Jacobson paid for everyone including herself to enter the gym. How much did she pay for everyone including herself to enter the gym?

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

Change negative exponents to positive, then solve

What is the distance between (3,k+1) and (2k,k-1)