Solve the inequality. 42 < - 6d

My homework says to give my answer correct to 2 decimal places. Does anyone know what that means?

In an older television set, the screen height is 0.75 times the screen width. If a television set measures 20 inches along the diagonal, what is the screen width?

Kylie drank 35% of 400-mL container of water. Eugenia drank 45% of a 350-mL. Who drank more water? How do you know? I will have more questions I have a math packet due tomorrow and I don't know percents I listen but I just don't understand

Can you solve an equation two different ways and can you explain both methods

The ratio of keepers to animals in the city zoo is 2 : 7. The table shows the current numbers of animals and keepers in the zoo.

Write the difference 48 - ( - 14) as a sum. Then simplify.

Determine the value of x which satisfies the following equation. ln (4x+1) = 6

Wide all along its perimeter. What is an expression for A portrait without its frame has a height 1.5 times its width w, in inches.

What is the mode of the following data values 87, 39, 31, 52, 31

A 2 column table with 7 rows. The first column, x, has the entries, negative 2, negative 1, 0, 1, 2, 3. The second column, f (x) has the entries, 3, 3, 3, 3, 3, 3. A 2 column table with 7 rows.