Answer:
x=3
by using pythagoras therom
Step-by-step explanation:
It is an acute triangle bc 8 squared + 14 squared is 260 and that is more than 15 squared (225)
Answer:
251.2 units³ ; 80π units³
Step-by-step explanation:
Volume of a Cylinder is: 
'r' is the radius.
'h' is he height.
The cylinder has a base radius of 4 units and the height 5 units.
<h3>Using 3.14 for Pi:</h3>

The approximate volume is 251.2 units³.
<h3>In terms of pi:</h3>

The exact volume is 80π units³.
Answer:
h = -8/5
Step-by-step explanation:
21 = -4h +13-h
simplify the right side
21 = -5h + 13
subtract 13
21 = -5h + 13
-13 - 13
8 = -5h
divide by -5
8 = -5h
/-5 /-5

Answer:
Step-by-step explanation:
f(x) = 2x + 5
f(-6)= 2(-6) + 5 = -12 + 5 = -7