The ratio of boys to girls in a group is 3:1. If there are 28 more boys than girls, work out how many people there are in total.

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction