It is 9 because you have a 30,60,90 triangle, and then you can use pythagorean theorem.
Last one 7 and 3
9(7)+20(3)>120
63+ 60
123>120
Says 123 minutes is longer than 120 that's why it is that answer
5*2x is 10x
5*3y is 15y
5*5z is 25z
Answer: 8x + 40
Step-by-step explanation:
To distribute, we multiply 8 by both of the values inside the parentheses;
Given:
8(x + 5)
Distribute:
(8 * x) + (8 * 5)
Multiply and simplify:
8x + 40
Answer: 2 54
Step-by-step explanation:
