The expression n2 + n represents the total number of blocks used in the nth figure of a pattern. Figure 1 has 2 units. FIgure 2 has 6 units. Figure 3 has 12 units.

Use the equation n2 + n = 56 to determine which figure has 56 blocks.

Figure
has 56 blocks.

If f(x) = 3-2x and g(x) =1/x+5 to what is the value (f/g)(8)

Which of the following points is collinear with (-2,1) and (0,3)

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.