What Number between 77 177can be divided evenly by 8

What is 2/7 divided by 1/7

My ten digit is double my ones digit. I am less than 70 and greater than 60

21 years ago, I was half the age I am now. How old am I?

Solve:0.2 (6x+1) / 3.6=0.5x/9

Is x^2+4x-4 a perfect square trinomial

1+2=21, 2+3=36,3+4=43,4+5=?

Which of the following triangle cases may have one, two, or zero solutions?

Marco wants to buy a new smartphone that costs $495, with some additional accessories He has already saved 75 $ write and solve an inequality to find the least amount of money, m, that Marco still needs to save before he can buy the smartphone and

The two longer sides of a triangle measure 22 and 29 units which one is a possible length of the shortest side

There are 6 runners in the 100 meter race at a track meet. in how many ways can the runners be arranged