Answer:
-3
Step-by-step explanation:
f(x)= x²+3x-1
f(-1)= (-1)²+3(-1)-1
= 1-3-1
= -2-1
= -3
Answer:
c
Step-by-step explanation:
The formula for the volume of a square pyramid is 
. a is your base edge and the h is your height. In this case it would be 
. when you wokr it out it would be 58.333, or 58 which is c.
also you would do 5 x 5 then you would multiply it by 7/3.
<span>=<span>(9.00 in)</span><span>(4.25 in) </span></span>Inches x inches yields square inches so, 9.00×4.25=38.25. A=38.25 in2
I'm sure the answer is 2 and 1/4. it has to be a positive and the marker is over 2 so...yeah
