What is the missing statement and the missing reason in Given: m Prove: x = 15
step 5?
Reasons
1
given
Statements
1. M m 2. 3. 4. M 5. ?
6.45 - 3x
7. 15=X
(3x + 15)
2
3
4
5
6
7
def. of vert. vert. def of ≈
?
subtr. prop
div. prop
60°
B
Statement: 60 = 3x + 15; Reason: substitution
Statement: x = 15; Reason: subtraction property of
equality
Statement: 60 = 3x + 15; Reason: transitive property
Statement: x = 15; Reason: subtraction and division
properties of equality

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Someone answer asap for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =

Traffic on saturday, it took ms. torres 24 minutes to drive 20 miles from her home to her office. during friday's rush hour, it took 75 minutes to drive the same distance. a. what was ms. torres's average speed in miles per hour on saturday? b. what was her average speed in miles per hour on friday?