Answer:

Step-by-step explanation:
Since we cannot factor the expression, we must use quadratic formula: 
Plug in <em>a</em> for 2, <em>b</em> for 3, and <em>c</em> for -7 and you should find your roots.
Answer:
x=96
Step-by-step explanation:
Answer:
as soon as possible
Step-by-step explanation:
and it an 90 degree angle
u have to add it
First you would do -30x5 which equals -150 then 2-150 equals -148
2%
take the absolute value of your (experimental-accepted then divide by the accepted) so (20-25)/25=.2
then multiply that number by 100 to get the percent, .2*100=2