Find the value of x in each of the following

a) 2x-7 = 13

b) 3x+4 = 25

Sorry, I'm bad at maths.

3x²-36x+81=0 i need the answer

I can buy 4 basketballs for $44. At that same rate, how much would 8 basketballs cost

Complete the equation. Round to the nearest hundredth where necessary. (Recall: 2.20 lb ≈ 1 kg) 52 lbg a. 23.64 b. 83.20 c. 114.40 d. 20.47

What decimal number is the smallest 1.001, 1.1, 1.01, or 1.011

Michael is 12 years older than Brandon. Seventeen years ago, Michael was 4 times as old as Brandon. How old is Brandon now?

Which would be a good estimate for the tax on $97.95 if the taxis 9.5%

Expand the following expression. 5/4 (2x + 3/4) a 5/2 x + 15/4 b 5/4 x + 15/6 c 5/2x + 15/16 d 2 x + 5/16

In a business class, 15% of the students have never taken a statistics class, 40% have taken only one semester of statistics, and the rest have taken two or more semesters of statistics.

6x-3=3x+12 what is X

Solve the system of equations and enter the solution as an ordered pair. 2x - 5y = - 6 8x + 3y = 68