94 Points must be scored in order to get an average of 90 for his grade.
Answer:
4x1
Step-by-step explanation:
if the columns of P = the ropes of Q you can multiply PQ and the resultant matrix is order (rows of P) x (columns of Q)
you have 4x2 * 2x1. since the 2's in the middle match the answer is a 4x1
Answer- 5 11/15
First step- get the same denominator for first fraction
3 4/5 times 3/3
Second step- add the whole number
1+3=4
Third step-
12/15+14/15+4
Fourth step-
4+1 26/15
Answer - 5 11/15
The answer is 20/72 or 5/18