Which of the the following is a disadvantage to using equations?

I'm 13 years old. my age represent 1/3 of my mom and 1/5 of my grandma. How old is my mother and my grandma?

Lisha is making headbands using ribbon. she would like to make 12 head bands. Each one requires 15.5 inches of ribbon.

Danna has a cell phone, a tablet, and a computers. Her Mom has a cell phone and a computer. Her father has a cell phone, and two computers. Her older sister has a cell phone, two tablets, a laptop, and an iPod.

Cream cheese costs £3.60 for 1 kg Robbie buys a pot of cream cheese for 90p How many grams of cream cheese does he buy

What is the mode of the data set? 61, 92, 61, 89, 92, 61 What is the mean of the data set? 82, 105, 247, 119, 94, 202 At Sara's new job she spent $11.52, $6.48, $5.99, $14.00, and $9.50 on lunch the first week.

Peppa is 3 times as old as Jimmy. Ryan is 25 years older than Jimmy. How old is Peppa?

Multiply and simplify. 2/3 x 2 1/5 x 3/4

What is a single number between 0 and 9, occurring either alone or in a larger number is called a * blank*?

Name the property illustrated: - (-3+6) = 3 + (-6) A: commutative property of addition B: associative property of addition C: opposite of a sum property

How do you determine the Vertex as an ordered pair when #f (x) = 3 (x+2) ^2-1#?