Answer:
6
Step-by-step explanation:
2+4 = 6
..............
Answer:
42.21 ft^2
Step-by-step explanation:
The formula: A=1
/2b √ c2﹣b2
c=hypotenuse
b=base
Answer:
The simplified version of that equation would be
.
Step-by-step explanation:
Since
and
have the same exponent and variable, we can combine them normally.
-
= 
Answer:
-14
Step-by-step explanation:
Plug 3 in for x
-2 (3)² + 3 + 1
-2 (9) + 3 + 1
-18 + 3 + 1
-14
Answer:
<h2> P = 98 cm</h2>
Step-by-step explanation:
Given one side and diagonal of rectangle we can use Pythagorean theorem to calculate the other side of it.

Perimeter:
P = 2W + 2L = 2•40 + 2•9 = 80 + 18 = 98