To obtain a grade A, Youseff's mean score in five tests must be 85 or more. Youseff has
scored 86, 94, 75 and 88 in four tests.
What is his minimum mark in the fifth test
to get a grade A?
The minimum mark in the fifth test should be

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

What is the slope of the line (-7,2) (4,6)