Answer:
x = 4.8
Step-by-step explanation:
Since quadrilateral JKLM and PQRS are similar toe ach other, therefore the ratio of their corresponding sides are equal.
Thus:
QP/KJ = PS/JM
Substitute
8/5 = x/3
Cross multiply
5*x = 3*8
5x = 24
x = 24/5
x = 4.8
Answer:
C. 
Step-by-step explanation:
Based on the Indice Law:
×
= 
3² ×
=
=
Answer:
y=4
Step-by-step explanation:
We want to solve the equation 8(y+4)-2(y-1)=70-3y
Expand the bracket

Group similar terms

Simplify

Divide by 9
y=4
Answer: 6.22
Step-by-step explanation: