Write a system of equations to represent this situation. Use x to represent Portugal and y to represent brazil

Classify the triangle according to the side length and angle measurement

Which is worth more 15.003 or 15.03

Use the formula to find the standard error of the distribution of differences in sample means, x¯1-x¯2.

Evaluate - x - 2 for x = 5 and y = 5

Answer for the problem of 2 1/5+1 3/4

Find the quotient of ' (16t^2-4) / (8t+4) '

The Science Club has 35 members, 10 girls and 25 boys. What is the ratio of girls to boys in the Science Club? A. 2:1 B. 2:5 C. 5:2

The cost of petrol rises by 2 cents a liter. last week a man bought 20 liters at the old price. This week he bought 10 liters at the new price. Altogether, the petrol costs $9.20. What was the old price for 1 liter?

1. Which equation represents the linear graph? A) y = 2x - 4 B) y = 2x + 4 C) y = 4x - 2 D) y = 4x + 2

Mary has $500 in her account. She makes a $350 withdrawal, deposits $100, and then gets charged a $20 fee. How much does she have in her account? A) $180 B) $230 C) $290 D) $340