With volume of sphere question!
zuri made 2 spheres using plaster. the smaller sphere has a radius of 6 cm. the larger sphere has a radius of 24 cm.
how much more plaster did zuri use for the larger sphere?
use 3.14 to approximate pi and express your answer in hundredths.

Average acceleration: i have no idea how to do this.

Find the equation of a line whose slope is 2/5 and y- intercept is 2.write your answer in the form 1) ax+by+c=02) x/a+y/b=1

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.