PLEASE HELP!!
Question: find x and z

Answer is

X=30 z=68

Step-by-step explanation:

the sum of all the angles in a triangle is 180 degrees

so to find x

180 - 112 - 38 = x

30 degrees = x

then to find z, it is more difficult

you must know that a straight line is 180 degrees

so to find the angle at the bottom

180 - 112 = 68

and you follow the previous step, sum of the angles in a triangle is 180 degrees

180 - 68 - 44 = z

68 = z

hope this helps

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walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40

1.3

step-by-step explanation:

3x2=6   9x+6

bring down the 6 on both sides

6+6=12

12= 9x

divide by 9

12/9 =

1.3 =x