Pls will upvote
what is the 7th term in the sequence?

note: use the explicit rule.

a_n=30−4n

enter your answer in the box.
a_7=

State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?