7(a+4)? can someone help me understand because its too late to ask my teacher and my mom does not understand math like this which is why she did not go to college but whatever now pls help thanks

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.