Which matrix multiplication is possible?

Elijah and his sister went to the movies. they had $34 altogether and spent $9.50 per ticket. elijah and his sister bought the same snacks. write and solve an inequality fotlr the amount that each person spent on snacks. interpret the solition

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

What ia the sum if the first 7 terms of the geometric series