What is the correct simplification of 5.4*10^12/1.2*10^3 written in scientific notation?

Round 0.978 to the nearest tenth

Subtract - 2x^2 + 4x - 1 from 6x² + 3x-9. Your answer should be a polynomial in standard form.

Suppose 200 students take an exam, graded on a scale of 0-100%. The median exam grade was 78%, the mean exam grade was 68%, and the range of scores was 40%.

If you were solving a system of equations and you came to a statement like 1 = 3, what do you know about the solution to the system?

What is 35/22 as a decimal rounded to the nearest tenth

Find the y-intercept and x-intercept of the line. 4x - 3y=12

Evaluate 13-0.75 (12) + 8 (1/2)

If f (x) = x^2-x+1 and g (x) = 2x-1 then what is g (f (3))

The weekly ad for a local grocery store advertises a 5 pound bag of organic apples for $13.95

a jogger ran 2 miles, decreased her speed by 1 mile per hour, and then ran another 3 miles. If her total jogging time was 11/14 hours, find her speed for each part of her run