Answer:
11
Explanation:
f(x) = -3x - 1 when f(x) = -4
f(x) = -4 * -3 -1 = 12 - 1 = 11
Answer:
its C
Step-by-step explanation:
1. If the numbers are the same, 10n +n, or 11n
.. If the numbers are different, 10a +b
2. 5(a -b)
3. 5n = 15
Answer:
$91
Step-by-step explanation:
They bought 7 backpacks each costing $8. Multiply them together to get $56. They filled each with $5 worth of supplies. 7 * 5 = 35. $56 + $35 = $91
Prime numbers are numbers that don't have more than two factors, therefore 2, 5, and 11are prime numbers. 2+5+11=18. the answer is 2, 5, and 11.
