What is the product? (5 r 2)(3 r minus 4) 15 r squared 8 15 r squared minus 8 15 r squared 14 r minus 8 15 r squared minus 14 r minus 8

If (a, b) is the solution to the system of equations shown above, and a and b are integers, then what is the value of a+b?

The different forms of a gene for a given trait are called .

When you look at the data about all of the children in your setting, you can learn a. about child development. b. how well each individual child is performing. c. what outside factors you need to change. d. how effective your instruction and environment are.