Which equation represents a circle with a center at (4.9) and a diameter of 10 units?
(x - 9)2 + (y + 4)2 = 25
(x + 4)2 + (- 9)2 = 25
(x – 9)2 + (y + 4)2 = 100
(x + 4)2 + (- 9)2 = 100

m asap

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?

Which of the following functions corresponds to the above sinusoid? a. 10 cos πx - 5 b. -5 sin x - 5 c. -10 cos πx/2 - 0.5 d. 10 sin πx - 5