Donna earns $73.50 for 6 hours of gardening. Mac earns $97.60 for 8 hours of gardening. Who earns more
per hour? How much more?

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n

Answer each of the questions for the following diagram: 1. what type of angles are these? 2. solve for x. what does x equal? 3. what is the measure of the angles?