Answer:
Step-by-step explanation:
x^2-9x-52=0 What 2 numbers when multiplied equal -52 and added equals -9? -13 and 4
(x-13)(+4)
Answer:
prime
Step-by-step explanation:
There are 0.5625 pounds in 9 oz
Answer:
6 different groups.
Step-by-step explanation:
This is the number of combinations of 2 fro m 4:
4C2 = 4! / 2! 2!
= 4 * 3 *2 *1 / (2*1*2*1
= 24/4
= 6 groups.
Y=-14/3 or -4.66666667 repeated
