Type the correct answer in each box. use numerals instead of words.
multiply the expressions.
3: 2 + 25 - 21
-212 - 21 + 12
2: 2 + 255 + 63
6: 2 + 71 - 49
if a = 1, find the values of b, c and d that make the given expression equivalent to the expression below.
ar + 5
cr + d
b= 0 .c= , and d= 0
reset
next

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

Consider circle o, where and . m∠bpd °. °.

Use the given information to determine the exact trigonometric value.