4a4 − 2b2 + 40 when a = 2 and b = 7.

44

Step-by-step explanation:

4(2)4 - 2(7)2 + 40

32 - 28 + 40

44

6

Step-by-step explanation:

4a^4-2b^2+40, given a=2 and b=7

 4a^4-2b^2+40

=4(2)^4-2(7)^2+40

=4(16)-2(49)+40

=64-98+40

=-34+40

=6

Hope this helps!! :)

Please let me know if you have any question

y-1700=200(x+4)

step-by-step explanation:

200(x+4) is 200x + 800 she is saving 200 per week x is the weeks and the -1700 is. us that’s howmuch she already had

step-by-step explanation: