The algebraic expression would be
n=$270/90
the value of n to the expression is equal to 3 meaning that 20 boards would cost $60
Answer:
Wheres the question?
Step-by-step explanation:
A cluster sample is one in which the population is divided into groups and a random sample of groups is drawn.
Answer:
23
Step-by-step explanation:
With f(4), we plug 4 into the function.
f(4) = 4² + 7
f(4) = 16 + 7
f(4) = 23
= -2
y= 2x+6. y= -2x-2
2x+6= -2x-2
+2x. +2x
____________
4x+6= -2
4x= -8
x=-2
