A what is an equation stating that two ratios or rates are equal

F (x) = - x² + x + 13 Find f (9)

4 friends agreed to divid the dinner bill equally. The cost of dinner was 45.80. Find the unit rate that represents how much each friend paid for dinner

noama fly's from Italy to hongkong. her plane leaves Italy at 18:45 and arrives in hongkong 13 hour and 25 minutes later. the local time in Hong Kong is 6 hours ahead of Italy. time at what time does she arrives in hongkong

An is a letter or symbol that represents some unknown value

What is the answer for this math problem 1/4n + 1 + 1/2 - 5

Equation of a parabola with vertex (-1,-4) that opens downward and has a focal width of 2

How is 9 to the 0 power simplified

What's equivalent to - 3/2

Place the following numbers in order from least to greatest 6% 3/1, 0.2, 0.28, 1/12, 2/9

A termite is 5 mm long. How many meters would a chain of 60 termites be?