Which equations are in standard form? Check all that apply

y = 2x + 5

2x + 3y = - 6

-4x + 3y = 12

y = 3/2x - 9

1/2x + 3 = 6

x - y = 5

5x + 3y = 1/2

Given the general form equation x^2 + y^2 - 6x + 4y - 12 = 0 what is the equation in standard form

Hiking at a constant rate, Fred covers 20 miles in 4 hours. How far can he hike in 10 hours?

Express the following number as the product of powers of their prime numbers: 24,64,192,175

Sheila bought burgers and fries for her children and some friends. the burgers cost $2.05 each and the fries are $.85 each. she bought a total of 14 items, fir a total cost if $19.10. how many of each did she buy?

What is n=3 times 45

What is the percentage of 0.5

981,657 rounded to nearest ten thousand

A nutrition label states that there are 36 grams of carbohydrates in each serving. this account for 12% of daily value. how many grams of carbohydrates are recommended per day?

The cosine of the complimentary angle to 58° a. 0.74 c. 0.83 b. 0.85 d. 0.94

What is the volume of the rectangular pyramid shown below? 9 in. 8 in. 7 in.