Can someone please help me Calculate the rate of change of speed, in ms-², of the particles for the last 2 seconds

Given the distance travelled by the particle in the first 10 seconds is 212m. Calculate the value of u

Kevin is an insurance salesman. when he sells a policy, he makes 20 percent of the policy premium (p) up front; then each year the policy is active, he receives 15 percent of the original premium. which equation could be used to figure his total commission on a policy that has been active for five years? c=0.80p c=0.20p + 0.15p c=0.35p + 4(0.15) c=0.95p

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?