Please help!! Do SAT prep courses really help improve your test results? Design an experiment to answer this question. Suppose you have 200 subjects to work with.

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

Aski resort is charging $37.50 to rent a snowmobile for 5 hours. at this rate what will be the cost for a family of 5 to rent snowmobiles for 3 hours on the first day of their vacation and 4 hours for on the last day of their vacation

Using this spinner and a number cube, which simulation would you answer this question? a school survey of 90 sixth graders showed that 25% of them play basketball and about 17% play soccer. what are the chances that a sixth grader plays basketball and soccer?