1. sameera planned a rectangular walkway to be 25 ft long. she decides to change the walkway to be 45 ft long. what is the change in the scale factor?
1 to 9
1 to 5
5 to 9
9 to 5

2. the list below shows all of the possible outcomes for flipping four coins.


hhht
hhth
hhtt
hthh
htht
htth
httt
thhh
thht
thth
thtt
tthh
ttht
ttth

what is the probability of getting the same number of heads and tails?
1/8
1/4
3/8
3/4

3.what is the difference of –96.43 – (–98.67)?
–195.1
–2.24
2.24
195.1

4.yuuma applied the steps below to find the product of (–10.2)(–16.4).

step 1: (–10.2)(–16.4) = (–16.4)(–10.2)
step 2: = (–16.4)(–10) + (–16.4)(–0.2)
step 3: =
step 4: = 167.28

which expression correctly fills in the blank in step 3?
(–164) + (–3.28)
164 – 3.28
(–164) + 3.28
164 + 3.28

answer !