Circle all of the following which are true. 3-2
a)
37-3 3
b) 5-2 =(-5)
c)
4x10?
8x10*
-= 5x10
d) (a+ 7)? = a? +49

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?