Answer:
A. 2(16+12)
Step-by-step explanation:
1. 2x16=32
2. 2x12=24
3. 32+24=56
For this you will have to make a tree diagram
it will be so much easier although there is a way to do it
probability of getting heads is = 1/2 there for 10 tosses its (1/20)^10
Answer:
y = -3x - 1
Use the methods on your other questions.
42n, you can't take the "n" away. The "n" means times a number, so I I write n=2, then the expression will be 42 x 2, substitute the n with a 2
Answer:
-4y-7 i think
Step-by-step explanation:
sorry if im wrong but im pretty sure you combine -4 and -3, and -4 plus -3 is just -4 -3 so -7