4x+3y=47.50

7x+1y=47.00

How do you do the substitution?

How do you get the area of a circle

What expression completes the equation 30/2+10 A. 3 (2+3) B. 7 (2+1) C. 6 (3+7) D. 5 (4+1)

There are 34,208 visitors in a museum. Round off the number of visitors to the nearest thousand.

Assume a population has a gene with 2 alleles. All the conditions of Hardy-Weinberg equilibrium are met for this gene in this population. The frequencies of the 2 alleles are p and q.

What type of association would you expect to see between the amount of fog in the sky and the distance that a pilot can see? A) Positive association B) Negative association C) No association D) There is not enough information to tell

Is √5 a whole number, integer, rational or Irrational

Kira needs 28 strawberries for every 4 smoothies she makes. how many strawberries does she need for 3 smoothies?

Here is a list of what you need to make 20 buns: 180g of butter, 150g of flour, 200g of sugar and 4 eggs. Work out what you need to make 30 buns.

Which of these steps is a step in constructing an inscribed regular hexagon using technology

Alex rides 45 miles in 3 hours write an equation that shows the relationship between the distance and the time that he rides if Alex rides at a constant rate of speed