The birdwatching club has 20 members, 4 girls and 16 boys. what is the ratio of girls to boys in the birdwatching club?

A. 1 : 4

B. 4 : 1

C. 5 : 2

mr james earns a base salary of $30,000 per year per year plus a commission of 5% on total sales. his total sales one year were $250,000. find his total pay for the year

The first derivative of x^2+2y^2=16 is - x / (2y), the second is - (2y^2+x^2) / (4y^3). Find the third implicit derivative of x^2+2y^2=16.

Elle is buying new flooring for her kitchen and laundry room. She knows that the area of the kitchen is 132 square feet. The laundry room is 8 1/3 feet by 6 3/4 feet. What is the total area of the two rooms?

What's 12x + 6.25y greater than or equal to 1500

1/5, 1/10, 1/20, 1/40 what comes next?

Find the product of (3.7 * 104) and 2.

What's the definition of the number i?

Let v = 2j and let u be a vector with length 8 that starts at the origin and rotates in the xy-plane. find the maximum and minimum values of the length of the vector u * v.

Whats the ordered pair y = (1/3) x+3 and y=-x+7

What is the circumference of a circle with an area of 1,134.11 meters