Subtract the following:

-7 - 7=

7 -

7=

-7 - ( - 7) =

7 - (-7) =

2-4s. A 12-ft board is sawed into three smaller pieces. The longest piece is 2.5 ft longer than the smallest one and 2 ft longer than the middle-sized one. Find the length of the middle-sized piece.

A number written in expanded form is written has the sum of each blank write 39,005 in expanded form

Some sweets are divided among 3 sisters; Nurul, Zahra and Hadietul in the ratio of is 2:3:4. If Hadietul gets 24 sweets, find A) The number of sweets Nurul gets, B) The number of sweets Zahra gets, C) The total numbers of sweets altogether.

The function V (t) = 1,000 (1.06) ^t models the value of an investment after t years. What does the ".06" represent in the function? A. The interest rate of the investment B. The initial amount of money invested C.

Jim is showing his work in simplifying (-8.5 + 6.1) - 1.3. Step 1: (6.1 - 8.5) - 1.3 Step 2: 6.1 - (8.5 + 1.3) Step 3: 6.1 - (9.8) Step 4: 1.1 Which statement is true?

A rock, dropped into a well, falls 4 9/10 meters in the first second, and at every next second it falls 9 4/5 meters more than the preceding second.

On Black Friday, everything is 20% off at Best Buy. Which expression best represents how much an item would cost after the discount?

The length of a rectangle is 3x - 5 in and the width is 2x inches what is the area of the rectangle

Sharyn has 6 times more text messages from Yolanda than from Pierre. Sharyn has 48 text messages from Yolanda. Which equation can be used to find how many text messages Sharyn has from Pierre, p? Select one: a. 6 + p = 48 b. 48 + p = 6 c. 6p = 48 d.

In a group of 120 people, 90 of them are 30 years old or older. Everyone else in the group is younger than 20 years old. If a person is selected at random, what is the probability the person is less than 20 years old