a teacher awarded 50 marks to his least student in a class test. How many marks was awarded to the best student if he was 40% better

What is 3 times a number plus 12 minus 5 times the same number is 22.

Given the geometric sequence: - 880, - 220, - 55, ... the next term in the sequence is?

I need notes on inequalities

There are 12 animals in a farm. Some are cows The rest are chickens There are 28 animal legs in all. How many cows are there? How many chickens are there?

What is - 36 divided by 9 plus - 5 minus 6

Baby Anna wants to arrange 4 blocks in a row. How many different arrangements can she make?

Investment a starts with $1000 and increases its value by $80 each week. Investment b starts with $2000 and loses $50 of its value each week. After how many weeks will the two investments have the same value?

Ginger likes to ride her bicycle and she wants to ride 30 miles the first day, 55 miles the second day and 100 miles the third day. How many miles will she ride during the three days?

2/17 = x/102 solve the proportion

What is the y-intercept of y = 50 - 1?