Can someone me ? ?

1-which of the following represents a chord but not a diameter of the circle?
a)tr
b)sn
c)pm
d)sm

2-which of the following is a semicircle
a)ts
b)tsr
c)sr
d)srn

3-if the length of the diameter of the circle is 15 inches what is the length of the radius of the circle
a)7.5 inches
b)15 inches
c)30 inches
d)any length between 0and 15

4-which of these arcs is the largest
a)nr
b)nrs
c)nst
d)np

Question 7 of 47 1 point what is the equation of a line with a slope of 1/2 that passes through the point, (-2,5)? o a. 1/2x+3 o b. y=1/2x+5 o c. y=x+5 o d. y=1/2x+6

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Carla was trying to decide what to do saturday evening. she has $100 available to spend for the evening. she has narrowed her choices down to these events: braves game, a concert of an artist she likes, or the georgia aquarium. admission to the braves game is $25, hot dogs cost $10, sodas cost $5. the concert costs $25 for admission, $20 for a souvernir t-shirt, and $10 for a soda. the georgia aquarium has the show of a lifetime with an all you can eat and drink that costs $100. carla does not want to take any driving chances, so in addition to the cost of the aquarium, she will also need to pay for her uber/lyft, which is $15 each way. which option should carla choose if she wants to spend the least? based on that choice, what then is carla's oppotunity cost? fully explain your answer in at least one paragraph.