Answer:
She is correct because 30 percent of 30 is 9 or in other words if you multiply 30 by 30 percent you get 9.
Step-by-step explanation:
Joan has 294 marbles
dan has 7 marbles

generate by: Amplitude:5 Period:4
Phase shift:(3 to the right) Vertical shift:-2
x=3,g(x)= 3
x=4,g(x)= -2
x=5,g(x)= -5
x=6,g(x)= -2
x=7,g(x)= 3
the graph is like cos(x)
learn more about trigonometric graphs here:
brainly.com/question/18265536
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Answer:
13. c
14.a
15.c
16.d
17.b
18.d
19.a
20.b
Step-by-step explanation: