X = y - 8
Step by step
Y = x + 8
x + 8 = y
-8 -8
x = y - 8
Answer:
75
Step-by-step explanation:
<h2>A=1/2h(a+b)</h2><h3> =10÷2=5(10+5)</h3>
=5×15
<h2> =75</h2>
Answer:
18
Step-by-step explanation:
3 over 2 and 3 over 4 (1.5 and .75)
A^2+b^2=c^2
20^2+b^2=29^2
400+b^2=841
-400. -400
b^2=√441
b=21