Answer:
Step-by-step explanation:
A.
Answer:
8
Step-by-step explanation:
more details
2(10)-3(4)
20-12
8
Answer:
Mary is 8 and that Zane and Chase are both 4 years old.
Step-by-step explanation:
For this equation, we will say Mary = M, Zane = Z, and Chase = C.
We will now convert the word problem into equations.

Now I will solve the equations by putting C into the equation.

So we can see that Mary is 8 and that Zane and Chase are both 4 years old.
Answer:
wow its challenging
Step-by-step explanation:
somebody maybe would try
Answer:
y = 52.02
Step-by-step explanation:
Since this is a right triangle, we can use trig functions
cos theta = adj/ hyp
cos y = 8/13
Take the inverse cos of each side
cos ^-1 cos y = cos ^-1 ( 8/13)
y = cos ^-1 ( 8/13)
y = 52.02012756
To the nearest hundredth
y = 52.02