The ratio of boys to girls in math class is 7:8. Which statement must be true about this math class? (A) the boys make up 7/8 of the class.

(B) the girls make up 8/15 of the class.

(C) there are exactly 15 students in the class

(D) there is exactly one more girl in the class.

[ will mark as brainliest for the quickest answer!! ]

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?