Xy - x - y + 1
explanation: distribute (x-1)(y-1) —> x(y-1) - 1 (y-1) —> xy - x - 1(y-1) —> xy - x - y + 1
So a deckameter is = to 10 meters
just multiply it
3*10= 30
then divide
30/1= 30
So glenn needs 30 meter paces of ribbon
A surface area, h height, l length and b base edge, B base, w width
A= bh+B+2lw
A= 16*6+16*8+2*8*10=384inc²
Answer:
B. 20 years
Step-by-step explanation:
By using the process of trial and error, if Gina is 20 years old, that would mean her sister is 29 years old. This is because 20+9 is equal to 29. 29+20 sums up to 49.
Answer:
Terri is wrong the roots are -4 and 3. She mixed up the numbers
Step-by-step explanation:
Hope it helps mark me brainliest
