A student has some $1 and $5 bills in his wallet. He has a total of 13 bills that are worth $37. How many of each type of bill does he have? PLEASE HELP IM ON A TIME LIMIT I WILL MAKE YOU BRAINLIEST

Jim makes $10.35 per hour. write an equation that jim can use to calculate his pay.

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.