Answer:
11
Step-by-step explanation:
(-2)^2-2(-2)+3
(-2)(-2)+4+3
4+4+3
8+3
11
Answer:
2nd option
Step-by-step explanation:
r + 1 = 23 ( subtract 1 from both sides )
r = 22 ( multiply both sides by 3 to clear the fraction )
r = 66 ( divide both sides by
)
r =
×
( rationalising the denominator )
r =
= 33
Answer:
352 ft²
Step-by-step explanation:
The formula for the area of a trapezoid is
where
and
are the bases of the trapezoid and
is the height, thus:

This means that the area of the trapezoid is 352 ft².