Yis directly proportional to x, and y=10 when x=15. write a direct proportion equation that relates x and y

y=kx

10=k15

rearrange the eqn, make k as a subject

k=10/15

k=2/3

Therefore, the answers

y=2/3x

its c or d   take a lucky guess my dude

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

happy to

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