Here are 2 right triangles. 1. Explain how you know the right triangles are similar. 2. Write a ratio that is equivalent to \large \frac{z}{x}. 3. Which ratios of side lengths are equal to \large tan\left(\alpha\right)? 4. If sin α=0.7, what is the measure of \large \alpha to the nearest degree?

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

Can someone me out here number 4 plz

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?