Answer:

Step-by-step explanation:
Step 1: Expand by distributing sum groups.

Step 2: Expand by distributing terms.

Step 3: Expand by distributing terms.

Step 4: Collect like terms.

Step 5: Simplify.

Answer:
3c + 12
Step-by-step explanation:
Answer:
6xy(15xy−1)
Step-by-step explanation:
Answer:
12
Step-by-step explanation: 18/3=6 6(2)= 12
9514 1404 393
Answer:
Step-by-step explanation:
Angles opposite congruent sides are congruent, so base angles D and F of this isosceles triangle have the same measure:
y = 55
__
The sum of angles in the triangle is 180°, so ...
55° +(11x +4)° +55° = 180°
11x = 66 . . . . . . . . divide by °, subtract 114
x = 6 . . . . . . . . . . .divide by 11
The values of x and y are 6 and 55, respectively.