What is true about this system of equations {2x-y=5, x=4

A chemist measures the mass of a substance before transferring it to a microscope slide. Which measure is most likely the measure she recorded? 5 g 5 kg 4.56 mg 4.56 kg

a moving company charges $45 on arrival and $25 and hour. Their final bill was $470. How many hours did they work.

3 times the sum of a number and 4 is the same as 18 more than the number. What is the number?

Find the length of the hypotenuse of triangle OPQ

Let f (x) = 2x^2 + 7x - 5 and g (x) = - 8x^2 - 3x + 5 what is g (x) + f (x)

How do you find the following things? [Will mark brainliest] Find Mean Find Median Find Range Find Quartiles Find Mode

If 12,000 people voted in the election, how many were from 50 to 64 years old?

Match the vocabulary word to its correct definition 1) Constant of variation 2) Direct variation 3) Rate of change A) how the dependent variable changes with respect to the independent variable B) the value of k in a direct variation, y =

Who had the largest dollar amount in sales for the month of January? a. The salary plus commission employee. b. The straight commission employee. c. The graduated commission employee. d. They each had the same dollar amount in sales.

A gallon of paint covers 400 square feet. How many square feet will 2 3/8 gallons of paint cover?