Answer:
Question 9:
The product is irrational
Question 10:
20
10
Step-by-step explanation:
7 x - 5 = 8
7 x = 8 + 5
7 x = 13
x = 13/7
7 ( 13/7) - 5 = 8
91/7 - 35/7 = 56/7
56/7 = 56/7 = 8
Answer:
x=4.34 seconds
Step-by-step explanation:
-16x^2+70x-2=0

x=4.34