HELP PLEASE Inequalities

Choose an inequality for each situation.

1. Last Wednesday, there was more than 4 inches of snow.

2. Yesterday, there was less than 25 inches of snow.

3. The temperature tomorrow will be no more than 8 °F.

4. The temperature today will be at least 7 °F.

How do you summarize data in a two-way frequency table?

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.