Two friends, Anita and Candice, are growing out their hair. They plan to cut it off at a certain point and donate it to a charity that makes wigs for people with cancer. Anita's hair is already 26 centimeters long and grows at a constant rate of 1 centimeter per month. Candice's hair is 16 centimeters and growing at a speed of 2 centimeters per month. If the girls get their hair cut on a certain day, they will have exactly the same length to donate. How long will their hair be? How long will that take?

Q6: Suppose your hair grows at the rate 1/32 in per day. What is the rate at which it grows in nanometers per second? [1 in = 2.54 cm, 1 d = 86 400 s, and 109 nm = 1 m] (a) 92.0 nm/s (b) 91.9 nm/s (c) 9.2 nm/s (d) 91.0 nm/s (e) 919.0 nm/s Q7: The JCR of a student hostel is 50.0 ft long and 26 ft wide and has 8.0-ft high ceilings. What is the volume of the interior of the room in cubic centimeters? [1 ft = 0.304 8 m]. (a) 2.94 × 103 cm3 (b) 3.17 × 103 cm3 (c) 2.94 × 108 cm3 (d) 2.9 × 108 cm3 (e) 2.98 × 108 cm3 4

25% of the girls in a school have long hair.If 75 of the girls in the school have long hair, find the total number of girls in the school.

Mandy is 6×1016×1016×10 1 inches tall. An average human hair is 3×10−33×10−33×10 −3 inches thick. About how many times taller is Mandy than a human hair?

The diameter of a human hair is   meters. The diameter of a spider's silk is   meters.How much greater is the diameter of a human hair than the diameter of a spider's silk?Write your answer in scientific notation.

Dana went to the local salon to get a haircut. The cost was $38. Dana tipped the hair stylist 20%.  What was the total cost of the haircut including the tip? Round to the nearest cent.