Karen makes $5 per hour babysitting and $12 per hour teaching music lessons. One weekend, she worked a total of 18 hours an made $139. How many hours did she spend babysitting? NEED ANSWER ASAP PLS HELP

Quick translate "x is 12 units from 20" into an equation. what are the values of x being described? if you can answer any of my other questions that'd be great too

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%

What percent of the circle below is shaded?