The average height of a class of 18 students is 105 cm After arrival of 7 new students the

average decrees by 5 cm. Find sum of height of all the students of the class.

Paula is training to take part in a fun run for charity. paula weighed 65.5 kilograms before she started her training. she has lost 3500 grams. how much does she weigh now?

Multiply. Write your answer as a fraction in simplest form. 6 x 3/22

Melanie's bedroom walls are painted 45 the area totals in 420 square feet hat is the number of square feet of Melanie's walls that need to be painted

How long would it take me to earn $139.50 of interest at a 6% interest rate if I started with $930.00

Sharon was making a dress. She bought a pattern for $3.49, material for $18.85, two spools of thread for $1.79 each, and a zipper for $3.19. Estimate the total cost of the dress. a.$25 b.$29 c.$32 d.$34

Andy canoe is 2.7 meters long. how long would it be in milliters?

5,000 mL is equal to: 5 L 0.005 L 5,000 cm² 5,000 cm³

Find the radical equivalent of 272/3 and compute it.

Simone takes dance lessons. Her shoes cost $150 per year, her tights and leotards cost $70 per year, her hair accessories cost $15 per year, and the dance lessons cost $1,000 per year. How much will Simone pay for five years of dance lessons?

Solve for all zeros, reduce as much as possible, show all work. x^4 + 14x^2 + 45 = 0