Answer:
5. 9 8. 
Step-by-step explanation:
a²+b²=c²
so for #5 12²+b²=15²
144+b²=225 (subtract 144 from both sides)
b²=81
b=9
For #8
9²+b²=11²
81+b²=121 (subtract 81 from both sides)
b²=40
b=
=

Answer:
2/3cups 2 teaspoons
(2/3 )cups/2teaspoons =1/3 cups per teaspoon
Answer= 1/3 cups per teaspoon
Answer:
<h2>5/16</h2>
Step-by-step explanation:
Multiply 1/8 by 2.5
1/8 x 2.5 = 5/16
Ryan will have completed 5/16 of his test at the 1 hour mark.
I'm always happy to help :)
Answer:
C
Step-by-step explanation:
3x^2 * -x =-3x^3
3x^2 * 2. =6x^2
4x* -x =-4x^2
4x * 2 = 8x
-5 * -x = 5x
-5 * 2 = -10
6x^2 + -4x^2 = 2x^2
8x+5x = 13 x
Ans: -3x^3 + 2x^2 + 13x -10