Solve the equation: 5r - 4 (-5r - 7) = - 72

a fruit fly population starts out with 10,000 fruit flies and is increasing in population by 15% each week. how many fruit flies will there be in 20 weeks

Brenda earns $120 per week working at a part time job. After taxes, her paycheck is only 75% of what she earned. What is the amount of Brenda's check?

Chris placed $7,400 in a savings account which compounds interest annually at a rate of 5.7%. How much will he have in the account after 4 years?

How many one-fifths pieces of pizza are in 5 pizzas

The main and original incentive for european countries to explore was ___. curiosity religion trade warfare

62% of Nate's class came to see one of his performances. If 186 students saw his performance, how many students are in Nate's class?

two cars leave Memphis from exactly the same spot. one traveling north at 70 mph and the other traveling south at 65 mph. how long does it take before the cars are 270 miles apart?

Which of the following integrals can be best evaluated using integration by parts? A. ∫ xsin (x²) dx B. ∫ x²sin (x) dx C. ∫ sin² (x) dx

Yolanda left for a youth retreat at 8:00 p. m. On Friday. She came home on Sunday morning at 10:00 a. m. How long was Yolanda away?

A city planner is comparing traffic patterns at two different intersections. He randomly selects 12 times between 6 am and 10 pm, and he and his assistant count the number of cars passing through each intersection during the 10-minute interval that