Answer:
90
Step-by-step explanation:
To find s4 we find sum of values when n=1,n=2,n=3,n=4
given expression is 
n=1 , plug in 1 for n
n=2
n=3
n=4
Sum of all 4 terms = 6+12+24+48=90
Answer:
c
Step-by-step explanation:
m<4 and m<3 is a straight angle. straight angles are equal to 180 degrees. the friend found m<3=40 and m<4 is equal to 140 degrees (im not good at explaining, sorry)
Answer:
The volume is 56.6 rounded
Step-by-step explanation:
Answer:
(c)
Step-by-step explanation:
x^3+3 = x^6
hope it helped :)
Answer:
25
Step-by-step explanation:
x^2=24^2+7^2
=576+49
=625
x=25
