Diane ia 25 years older than her son, craig. the sum of their ages is 105. how old are diane and craig? (it is a system of equations)

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

Sketch one cycle if the cosine function y=2cos2theta

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2