Solve: 3x-8y=-33

solve: 9x+8y=29

show work please

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.

3. a sum of $2700 is to be given in the form of 63 prizes. if the prize is of either $100 or $25, find the number of prizes of each type.