Solve the following system of equations by substitution and select the correct answer below: 4x − 6y = 28 8x − 4y = 24 (5 points) question

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,