A 20-pound box of spaghetti costs $2.50. Philip says that the unit cost is 2/2.50 $0.80 per pound. Explain his error.

If the area of circle p is 1,600 units squared, in units what is the diameter?

A pancake recipe calls for 2 2/3 cups of flour. If Vonetta wants to make 1 1/2 times the recipe, how much flour does she need?

A man can dig a ditch in 3 hours and his daughter can dig he same size ditch in 5 hours. Working together, how long will it take them to dig the ditch?

sherry read 1/3 of the book in 90 minutes then slept for 3 hours. she continued reading after she woke up and finished the rest of the book in 4 hours

Independent random samples are selected from two populations and are used to test the hypothesis H0: (μ1-μ2) = 0H0: (μ1-μ2) = 0 against the alternative Ha: (μ1-μ2) ≠0. Ha: (μ1-μ2) ≠0.

The original value ofa painting is $1100 and the value increases by 12% each year. Write an exponential function to model this situation. Then find the value of the painting in 15 years

Mega Middle School sells wrapping paper to raise money for Student Activities the school keeps half of all sales $300 prizes to top sellers how much wrapping paper must be sold for the school to earn $5000

Jeff and his friend each text 4 classmates about a concert.

Explain why the ential value of any function of the form f (x) = a (b^*) is equal to a

Rewrite the expression in radical form. c^1/2