Answer:
1.= Correct
2.= False(Raul has a negative slope and Becky has a positive, it is not both positive so FALSE)
3.= Corect(They both cross on the x and y axis.)
Step-by-step explanation:
If angle AXB is complementary with angle CYD and FZE
then their sum leads to 90°
∠AXB+∠CYD=90
∠AXB+∠FZE=90
if ∠AXB=20 then both∠ CYD and∠FZE=70°
Answer: 25%
Step-by-step explanation:
markup or gain is 5-4 = $1
% markup = 1/4 *100
=25℅
<h3>The surface area of a cylinder to the nearest tenth is 390.8 square feet</h3>
<em><u>Solution:</u></em>
<em><u>The surface area of cylinder is given as:</u></em>

Where, r is the radius and h is the height
From given,
r = 4.9 feet
h = 7.8 feet
<em><u>Substituting the values we get,</u></em>

Thus the surface area of a cylinder to the nearest tenth is 390.8 square feet