Answer:
p=65. the value of p is the amount of pencils packs.
Step-by-step explanation:
1.99p=129.35
129.35/1.99=65

To raise 4x/y to a power, raise the numerator and denominator to the power, and then divide.

Expand (4x)².

Calculates 4 to the power of 2 and gets 16.

Answer:
(k = y/x) which is the constant ratio between two proportional quantities y/x denoted by the symbol k which may be a positive rational number. The x value is directly proportional to the y value such as in the equation y = kx.
Step-by-step explanation:
the meaning of it means constant of proportionality
Answer:
-2
Step-by-step explanation: