1.
Find a solution to the equation using backtracking.
A.
s
= 24
B.
s
= 18
C.
s
= 21
D.
s
= 15
Hint
2.
Find a solution to the equation using backtracking.
A.
x
= 9
B.
x
= 8
C.
x
= 11
D.
x
= 10
Hint
3.
Find a solution to the equation using guess-check-and-improve.
10
a
+ 4(
a
+ 1) = 32
A.
a
= 2
B.
a
= 7
C.
a
= 10
D.
a
= 4
Hint
4.
In a bag of 53 cherry and watermelon-flavored candies, there are 19 more watermelon than cherry candies. How many cherry candies are there?
A.
34
B.
19
C.
36
D.
17
Hint
5.
Nine more than a number is the same as 18 less than 4 times the same number. What is the number?
A.
y
= 8
B.
y
= 9
C.
y
= –9
D.
y
= –8
Hint