Write (54 + 3) in expanded form and find the sum. 2-4
a. 23 +28+33+ 38 + 43; 48
b. 23+28+33 + 38+ 43, 213
c. 23+ 28 +33 + 38+43 +48; 213
d. 28 +33 +38+43 +48, 23

Find the slope of the line y =8/9x + 1.

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?