Answer:
a = -⅓
b = 3
Step-by-step explanation:
-3a + b = 4
3a + b = 2
b = 4 + 3a = 2 - 3a
6a = -2
a = -2/6
a = - ⅓
-> b = 4 + 3(-⅓)
b = 4 - 1
b = 3
89+90=171. keep in mind that increased or increased by means to add
Answer:
<h3>k = 10</h3>
Step-by-step explanation:
Given the equation;

We are to find the value of k.
Cross multiply;

Divide both sides by 10

Hence the value of k is 10
Answer: I think that the answer is C because 5% is 5 out of 100 and 5 out of 100 as a decimal is 0.05 and you are trying to find how much the population will have increased so you have to multiply 248 by 5% or you have to multiply 248 by 0.05
Step-by-step explanation: