Marc has 45 CDs in his collection, and Corinna has 61. If Marc buys 4 new CDs each month and Corinna buys 3 new CDs each month, after how many months will Marc and Corinna have the same number of CDs?
Question 3
3.
Which properties do you use to solve y2 - y1 = m(x2 - x1) for x2
Question 4
4.
How many solutions does each equation have?
10 - 8a = 2(5 - 4a)
6m - 5 = 7m + 7 - m
30 - 7n = 100 + n
One Solution
No Solutions
Infinitely Many Solutions
Question 5
5.
If pv=nrt, what does r equal?
Question 6
6.
Write and solve an inequality for the statement below.
3 less than the product of 6 and a number n
is greater than -18