There are 12 boys and 8 girls in a hall, each holding coins in their hand. The mean number of coins for the children is 15

The mean number of coins for the boys is 13Work out the mean number of coins for the girls.

Evaluate. 8-2⋅3+7 Enter your answer in the box.

Jill, meg and Beth are sisters. Jill is 2 years younger than meg. Beth is half as old as meg. Use the same variable to write three algebraic expressions based on this situation. Tell what the variable represents and what each expression represents

A colony of bacteria is growing exponentially according to the function below, where t is in hours. How many bacteria are there after 8 hours? Round to the nearest integer and do not include units in your answer. B (t) = 4 e0.8t

Given the rule x/n, describe the values of n for which the output value will be greater the the input value. justify your response.

8 (6a+7b) - 11 (2b+8a) Simplify the expression

A sphere has a diameter of 24 units. What is its volume in cubic units?

Guided Practice 1. A coin is tossed 50 times, and it lands on heads 28 times. Find the experimental probability and the theoretical probability of the coin landing on heads. Then, compare the experimental and theoretical probabilities.

What is the definition of when each input has exactly one output in a relation

John paints 2 portraits in 8 hours, 3 portraits in 12 hours, and 5 portraits in 20 hours. Which statement correctly describes this situation?

You are 55 feet tall and cast a 1010-foot shadow. a flagpole nearby casts a shadow that is 2828 feet. which equation can you use to solve for the height (h) h of the flagpole?