How many 1-foot-square border tiles do you need to surround a pool that is 10 feet long and 5 feet wide

Asap 25 pts + brainliest to right/best answer

Solve the equation for x.3(6x - 1) = 12 i've tried doing the math and i can't find out what i'm doing wrong

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)