4. directions: type the correct answer in each box. use numerals instead of words. fill in the blanks to find the product of 27 and 45. 27 × 45 = (20 + ) × (40 + 5) = (20 × ) + (20 × 5) + (7 × 40) + (7 × 5) = 800 + + 280 + 35 so, the product of 27 and 45 is .

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1

Question b of 10which of the following describe an angle with a vertex at a? check all that applyo a. labcов. савd dooo c_baco d. zacb

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212