Do 10-12 and get 15 points.

See Explanation

Step-by-step explanation:

10) 52 + 3D = 79

3D = 27

D = $9/DVD

11) a. 72 + 6h = 96

6h = 24

h = 4 hours

b. 7 + 4 = 11 am

12) -200 + 43m = 15

43m = 215

m = 5 minutes

the aswere is the one with all 8's and the second one is with the 10,8 and 6

step-by-step explanation:

x =-.20752

step-by-step explanation:

4^(x+2)=12

4^(x+2)=12

take the log base 4 on each side

log 4 (4^(x+2) = log 4(12)

we know log b(a^y) = y log b (a)

(x+2) log 4(4) = log 4 (12)

x+2 = log 4 (12)

we know   logb c = loga c/loga b

we want to convert to base 10   so a = 10

by default, we do not write the 10   c = 4   and b = 10

log4 10 = log 12/log 4

log4 10 = log 12/ log 4

x+2 = log 12/ log 4

subtract 2 from each side

x +2 -2 = log 12/ log 4 -2

x = 1.79248125 -2

x =-.20752