Answer:
answer is 12
Step-by-step explanation:
if you take 15 and subtract it by 7 that would give you the number of neon tetra fish, then you can add 4 to give you your total number which is 12 :)
Plug x and y when you type in the calculator
2-2(2+3) and see your answer
Step-by-step explanation:
y = .10d + .25q
y is the total amount, if you have d dimes and q quarters
a) I have attached an image of a probability tree diagram.
b) 0.02332 (please round to where you need)
The probability that Terri chooses a blue pen is 2/7. The probability that Terri chooses a red pen is 4/7. The probability that Terri chooses neither a red nor blue pen is 1/7.
2/7 x 4/7 x 1/7 = 0.02332
Hope this helps! :)
2. 12 3. 15. 5. 8. Those the answers hope that can help