What is the value of this expression

3^2*2-4 (3-1)

Miss James has a six square-foot bulletin board in at 12 ft.² bulletin board she wants to cover both boards with index cards without gaps or overlaps each index card has an area of 1/4 ft.² how many index cards does she need

What is the scientific notation of 673.5

Nine y plus y equal what

52 ft per hour is how many inches or minute show all work

Elijah has a part-time job. He worked 3 hours on Friday and 6 hours on Saturday. He also receives an allowance of $20 per week. Elijah earned $92 in a week. Write an equation, then solve it to determine how much Elijah earned.

There were 60 seventh grade students who signed up for soccer tryouts last year. This year, 48 seventh graders signed up for tryouts. What is the percent decrease in the number of students from last year to this year?

When a barrel is one faithful it holds 16 litres how many litres will it hold when half full

The temperature went from 48° to 36° in two hours. What is the percent of decrease in the temperature?

What is the slope of y=1/2x + 3?

Which of these r-value represents the strongest correlation - 0.5 - 0.7 - 0.4 - 0.6