A student answered 54 problems on a test correctly and received a grade 90%. How many problems were on the test, if all the problems were worth the same number of points?

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x