Find s20 for the series - 1 + - 3 + - 5 + - 7 + ...

This year, a hardware store has a profit of - $6.0 million. This profit is 3/4 of last year's profit. What is last year's profit?

Is the product of two perfect squares always a perfect square

Jamie spent $12 dollars a day on food for 6 days. What was Jamie's overall change in her bank account for food over the 6days?

4 (x-1) - (2x - 5) = 4

Then use to oder 1/3 and 3/10

For what values of x is x2-36=5x true? - 9 and - 4 - 4 and 9 4 and - 9 9 and 4

Simplify exspression - 6 multiplied by 12 + 14 - 3

Leilani bought tomatoes that cost $0.84 per pound. She paid $3.36 for the tomatoes. How many pounds of tomatoes did she buy?

1.30th term of A. P; 10, 7, 4 ... is

Noah's hot chocolate is too hot so he adds 50 mL of 10 degrees Celsius milk to his 150mL mug of hot chocolate that was originally 90 degrees Celsius. What will the final temp be of the mixture