The local library does childrens plays every 18 days, and story book readings every five days, if they both start on the first day of the month how many days will it take for them to happen on the same day again?

since no one answered yet i will give it a shot, not completely sure tho.

i think it should be y=cos(x+2pi), (third answer, answer c)

good luck.

3. 8,935,200 minutes

4. 227,040 feet

if your equation is in the form ax2 + bx + c, you can find the maximum by using the equation:

max = c - (b2 / 4a).

the first step is to determine whether your equation gives a maximum or minimum.

-x2 + 4x - 2.     thats an example hope it