What is the best type of sampling for a survey? A. Convenience Sampling
B. Voluntary-response Sampling
C. Systematic Sampling
D. Random Sampling

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.