Alan has x chocolate bars and gets 10 more bars. He gives away half of his chocolate, and then gets another 10 bars. In terms of x, how many chocolate bars does Alan now have? A : x+15
B: x+20
C: x/2
D: x/2 +15

Factors that determine climate can a- latitude, topography, huracan, ocean current b- sun, precipitation, winds, precipitation c- sun, ocean currents, latitude, topography, winds, precipitation d- latitude, topography, lighting, ocean current

Need will give 100 ! in no less than one hundred fifty words, explain why it is important for engineers to sketch designs and use them to clarify their designs to other people, giving at least three reasons.

What does the first stage of a multistage rocket do?