Help with 18 - 22 18 4 x 1 =
— —
7 2

A. 8
—
7

B. 4
—
14

C. 28
—
2

19. 15 X 2 =
— —
2 20

A. 4
—
300

B. 30
—
40

C. 30
—
4

20. 3 x 7 =
— —
6 8

A. 18
—
56

B. 24
—
42

C. 21
—
48

21. 9 x 1 =
— —
10 2

A. 9
—
20

B. 18
—
10

C. 8
—
18

22. 3 x 2 =
— —
6 4

A. 6
—
24

B. 18
—
8

C. 8
—
18

Which solid has two triangular bases and three lateral faces, each in the shape of a rectangle? triangular prism triangular pyramid rectangular prism rectangular pyramid

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?