Answer:
38
Step-by-step explanation:
We have to substitute x with 2 and y with 4
when the sign of a operation is not expressed it means that the operation is a
multiplication
So we have
3*2 + 2*(4)^2
6 + 2*(16)
6 + 32
38
Answer:
The last answer. The slope 1.8 is positive so it will slope upward from left to right. Since 1.8 is less than 2.5 the slope of the line will be less steep.
Step-by-step explanation:

is a root of the quadratic

This quadratic isn't factorable so use the quadratic formula

The plus and minus sign after b means we going to have two roots.
The roots are

and

We subsitue those values for Beta.
27a.

27b.
25
4^7=16,384 i used a calulator
C. three sides with the same length