2. for the following arithmetical sequence, determine a1 and d and find an explicit formula for the sequence: -8, -5, -2, 1… a. what is a1? b. what is the common difference d? c. write an explicit formula for an using the formula for arithmetical sequences an = a1 + (n – 1)d.

The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?