Answer:
x^2-2x-3
Explanation: Use FOIL
7groups
Step-by-step explanation:
15+6/3=7groups
1/4 × 1/2 multiply 1/2 by 2 to get 2/4 then add 1/4 and 2/4 ur answer 3/4 the fraction of all the cookies that is peanut butter is 3/4