it costs $61 to produce 3 calculators, $165 to produce 7 calculators, and $385 to produce 12, how much for 6 calculators

A concession stand is selling hot dogs and hamburgers during a game. at halftime they sold a total of 78 hot dogs and hamburgers and brought in $105.50. how many of each item did they sell if hamburgers sold for $1.50 and hot dogs sold for $1.25?

Find the center, vertices, and foci of the ellipse with equation 5x2 + 8y2 = 40.

What decimal is greater than 0.15 and less than 0.7?

What is the sphere area of a box

What is (i^3) ^5 in simplest form

What is 50/20*23+43-32424343+3534535

Solving proportions 6 over 2 = 4 over p

The following information is from the December 31, 2017 balance sheet of Tudor Corporation. Preferred Stock, $100 par $370,000 Paid-In Capital in Excess of Par - Preferred 31,000Common Stock, $1 par 122,000 Paid-In Capital in Excess of Par - Common

If 4x+y=h, then x is equal to

Which expressions are a factor of - 48xyz - 24xy + 40 Select all that apply. A. 4 B. 24 C. 3x D. 8y E. 2xy F. 6xy G. xyz