PLEASE ANSWER ASAP WILL GIVE BRAINLIEST Bob bought three chapsticks and two eyeliners for 7 dollars. Brandi bought 4 chapsticks and five eyeliners for $14. Find out how much each item costs.

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4πr2. write your answer in scientific notation.