Q4, 4y²=60
y=√15 ( i am not sure)
q6, (5+y) ²=81
5+y=9
y=4
q7 (x+4) (x) =77
x²+4x-77=0
(x+11) (x-7) =0
x=-11(rej) or x=7
therefore ,length= 7+4=11cm
breadth=7cm
Answer:
B
Step-by-step explanation:
Y=3x. The slope is 3 6-(-6)/2-(-2) and the y intercept is 0.
Answer:
Average is 22.72
Step-by-step explanation:
