4. Solve the system of equations by inspection. Explain your reasoning.

-2x+4y = 5

-2x+4y = 6

If I buy a computer for 36 dollars with a coupon for 25% off. How much would it have cost without the coupon?

The owner of a hot dog stand receives a loan of $3,750 at 8.25% for 9 months. find the amount of simple interest. (round to the nearest cent)

If i^2=-1 and (4+2i) (6-ki) = 30, what is the value of k?

Determine the 8th term for the sequence 1,4,16,64

Which expressions are equivalent to x+x+x+2 Choose 2 answers: Choose 2 answers: (Choice A) A 3x + 23x+23, (Choice B) B 3 + 2x3+2x3, (Choice C) C 3 (x+2) 3 (x+2) 3, (Choice D) D 2 (x+1) + x2 (x+1) + x2 (Choice E) E 5x5x

Marco made of rectangular prism using 1/2 m cubes the rectangular prism has a volume of 5 m³ how many cubes did Marco use

What is the solution to the following equation? 9x^2-12x+4=17

If the chance of rain is 3/4, what is the chance it will not rain? A) 0% B) 25% C) 50% D) 75% E) 100%

Convert 8.4 ft to inches.

Each school year the 7th graders who study life science participate in a special field trip to the zoo in 2010 the school paid 1260$ for 84 students to enter the zoo in 2011 the school paid 1050$ for 70 students to enter the zoo in 2012 the school