Could Someone plz Help me with this? Im struggling Mr. Jackson has decided to open a new health club in his town. To decide whether
he will have enough members to be successful, he hires a researcher to conduct a survey. What is the population from which the researcher should choose a sample?

A. People who exercise regularly.
B. Members of other health clubs in the town.
C. Trainers at other health clubs.
D. His friends and family.

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6