3. Cornelia spends 2 2/3 hours studying for her big science test. She spent 2/3 of an hour finishing her writing assignment and 1/4 of an hour playing outside. How much time did she spend overall on the three activities?

What are the solutions of the quadratic equation X2+11x=-28

What is the Area=201.1 in2?

A model rocket is launched from ground level. Its height, h meters above the ground, is a function of time t seconds after launch and is given by the equation h=-4.9t^2+68.

Sketch a graph that is discrete, has a maximum, does not pass through the origin, and is an absolute value function

Jim tree wants to analyze his shipment of trees based on height. he knows the height of the trees is normally distributed so he can use the standard normal distribution. he measures the height of 100 randomly selected in his shipment.

If you have 9 people and you want to share a turkey, how much turkeys will you need?

A ferris wheel can accommodate 50 people in 20 minutes. What was the rate per hour?

A limited-edition poster increases in value each year with an initial value of $18. After 1 year and an increase of 15% per year, the poster is worth $20.70.

Prove 11^10 - 1 is divisible by 100

Armon added 1/10 and 8/100. Which is the correct sum?