Nadia charges $7.50 an hour for babysitting. she babysits 18.5 hours the first week of the month and 20 hours the second week of the month. to find her total earnings for those two weeks nadia writes 7.5 x 18.5 + 20 = $158.75, explain her error show the correct solution.

There are a total of 75 students in the robotics club and the science club. the science club has 11 more students than the robotics club. how many students are in the science club?

Matching equivalent expressions match each expression on the left to the equivalent on the right

Simon used a probability simulator to pull 3 colored marbles from a bag and flip a coin 50 times. the results are shown in the tables below color of marble number of times rolled blue 15 green 19 yellow 16 heads tails 26 24 using simon's simulation, what is the probability of pulling a blue marble and the coin landing tails up? 39/50 250/50 120/2500 360/2500 .