Answer: 34
Step-by-step explanation:
40 % is written as 0.4.
Multiply 0.4 x 85 (quantity) = 34
Answer:
it will 90° because it is making right angle at C
Answer:
d) 4.
Step-by-step explanation:
Let Santiago be x years old today.
Then Juan is x + 8 years old.
In 4 years Santiago will be x + 4 years.
In 4 years Juan will be x + 12 years.
From the given information:
x + 4 = 0.5(x + 12)
x = 0.5x + 6 - 4
0.5x = 2
x = 2 / 0.5
x = 4.
Answer: 
<u>Step-by-step explanation:</u>
Given: a₆ = 12 a₈ = 22
