Brendan got 31 questions correct on his social studies test and missed 9 questions. what percent did he have correct? (express as tenths.) 29.0 34.4 77.5 129.0

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

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.

If a line is defined by the equation y = 5x + 2, what is the slope?