Algebraic Ages 1)
Amy is a years old.
Zack is 7 years older than Amy.
Using a, write an expression for Zack's age.

2)
Bill is b years old.
Vicky is 4 times Bill's age.
Write an expression for Vicky's age.

3)
oo
Cathy is c years old.
Trey is 12 years younger than Cathy.
Write an expression for Trey's age.

1. a7

2.b4

Step-by-step explanation:

-10i^2-4i

step-by-step explanation:

evaluate for p=2,q=5i

(2−4)(2+5i)i

(2−4)(2+5i)i

=−10i2−4i

the figures below are made out of circles, semicircles, quarter … find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations). remember that we'll also have to cut whatever areas we get in half, since we're only dealing

step-by-step explanation: