Jess spent $20.00 for 4 pens and 2 notebooks. jess uses a coupon for $10.00 off her purchase. how much were the pens and notebooks?

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

Which of the following exponentially equations is equivalent to the logarithmic equation below?