When doing inequalities, when would I know when to switch the sign/symbol (by symbols I mean; )

In preparation for a wedding even bought 60 candles he paid $.37 for each candle his sister bought 170 candles at the same price how much more money in dollars does Aiden sister spend

What is the cube root of - 1,00001278?

A bottle of cologne comes in a cube shaped box that has a volume of 64 cubic inches what is the length of one side of the box

Jefferson Middle School is selling tickets to a school play. On the first day of ticket sales the school sold 4 adult tickets and 1 child ticket for a total of $55.

Xel uses a tip calculator to figure his tips, but he thinks it is not working accurately. The tip calculator says that a $7 tip is necessary for a $75 meal at a 15% tip rate. Is the calculator working correctly? How do you know?

How many permutations of {1, 2, 3, 4, 5, 6} exist such that: (a) No even integer is in its natural position. (b) Exactly three integers are in their natural position. (c) 1 and 6 are in their natural positions.

Use the formula F=1.8C+32 to convert - 20° into fahrenheit.

Solve in the correct order: (-3 - 4) / - 9 A) - 7/-9 B) - 7/9 C) 7/9 D) - 1/9

Suppose a lab needs to make 400 liters of a 39% acid solution, but the only solutions available to the lab are 20% acid and 50% acid.

If the price is $40, the number of units sold is 450, and the average cost is $33, what is the profit?