using the histogram above, determine the grade students scored with the highest frequency.

a) 60-70
b) 70-80
c) 80-90
d) 90-100

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute