Ms. donaldson earns $18.80 per hour for the first 40 hours she works in a week. she earns 1 1/2 times that amount per hour for each hour beyond 40 hours in a week. last week ms. donaldson worked 45.5 hours. how much money did she earn? explain your answer and show your work

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

For the equations below which statement is true ? -2x=14 6x=-42

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?