Answer:
<u>128 outcomes</u>
Step-by-step explanation:
No. of outcomes for a coin is given by :
2^n [where n is the number of times a coin is tossed]
=> 2⁷
=> 2 x 2 x 2 x 2 x 2 x 2 x 2
=> 4 x 4 x 4 x 2
=> 16 x 8
=> 128
Sphere because its only a circle inside a other circle in between
Answer:
A and D
Step-by-step explanation:
B and C are not functions because some inputs have multiple outputs
Answer:
-1
Step-by-step explanation:
4x+9=-3x+2
=> 7x=-7 move all x to left side and numbers to right side by changing + to - or - to +
x=-1
