47. What is the coordinate of the y-intercept in the table of values below?
A. (0.13)
B. (4.13)
C. (1,7)
D.(3,7)
49. The sum of numbers is 9. The sum of the squares of the numbers is 41. Find the numbers
A 4 and
5 B. 3 and 6
C. 2 and 7
D. 1 and 1
50. The length of a rectangle 5 cm more than its width and the area is 50cm2. Find its perimeter. x 0 1 2 3 4 5 y 13 7 5 7 13 23
A 5 cm
B. 10 cm
C. 20 cm
D. 30 cm​