Karina uses the system of equations below to compare the monthly utility costs in July and December for electricity, x, and natural gas, y.

750x + 17y = 141.61

300x + 30y = 75.90

For the sets R = {o, v, e, r} and S = {f, l, o, w, e, r} find the intersection of R and S

What is the answer to - 7 (n+2) = - 14-7n

There are 2.54 cm in an inch. how many centimeters are in 0.75 yards? if rounding is necessary, round to the nearest whole number

I can read a 336-page book in 6 hours. Jayne can read a 144-page book in 3 hours. If I start reading a 5000-page book at noon and Jayne starts reading the same book at 10 AM, what time will it be when we are on the same page at the same time?

Let a = x^2 + 4. Rewrite the following equation in terms of a and set it equal to zero. (x^2+4) ^2+32=12x^2+48 what are the solutions for x

Sales tax in particular city is 6.5% what is the final cost of a $94 item?

A two digit number is such that the product of the digit is 35 when 18 is added to the number the digits change their places. Find the number

The following circle graph represents how the Townsends spend their monthly income What is the central angle measure of the section that represents "Miscellaneous"?

What is the value of the expression 6^-7*6^4

Danielle earns an 8.25% commission on everything she sells at the electronics store where she works. She also earns a base salary of $800 per week.