Caitlin earns $7.00 an hour doing yard work for her neighbor. she worked 3 hours friday, 4 hours saturday, and more hours sunday. she earned $77.00 for the weekend. how many hours did she do yard work on sunday? a. 4 b. 5 c. 6 d. 7

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels