Three times a first number decreased by a second number is 27. the first number increased by three times the second number is - 21. find the numbers

How do you solve a polynomial equation?

Darian expects to get $7,500 in grants each year. What is the minimum amount he should expect to contribute for four years at the university?

Last week, you worked 8 hours more than your usual 35 hours. What was the total number of hours you worked?

Debra has a bookcase with 3 shelves there are b books on each held using b write an expression for the total number of books

The function of y = 0.81t^2 relates the time t in seconds, that it takes a problem of length y, in feet, to swing back and forth one time. about how long would it take a 3 - ft pendulum to swing back and forth one time? round to the nearest tenth.

You buy 8 packs of markers with 20markers in each pack. You already had 10 markers. Which equation shows how to calculate the total number of markers, m, you have?

Runyon Company sells T-shirts ($5) and shorts ($6). If total sales were $1,040 and people bought 4 times as many T-shirts as shorts, what was the total number of T-shirts and shorts sold? A. 120; 60 B. 140; 40 C. 180; 60 D. 160; 40

W-4=-12-3w solve for w

552.5 is what percent of 425

Re-white the expression 3*3*3 using an exponent