O quintuplo de um número subtraindo de 4 reaulta em 16​

Consider the enlargement of the pentagon. what is the value of x, rounded to the nearest tenth? 2.1 centimeters 3.3 centimeters 7.0 centimeters 15.0 centimeters

Lucy spent $165 in december using a new credit card. in january, she began paying between $15 and $25 each month towards her account balance.

Ratio of circumference to diameter example plz i need to now what it looks like.