Step-by-step explanation:

Answer: for 4 The 24 balloons cost are $40 and 9 balloons are $1.67
Step-by-step explanation:
Answer:
p=0 or p=-7/15
Step-by-step explanation:
15p2+7p=0
p(15p+7)=0
p=0 or 15p+7=0
Answer:
360°
Step-by-step explanation:
Each of the two triangles have 3 angles that add up to 180°.
So,
180° + 180° = 360°
The sum of the angles of a quadrilateral is 360°
Answer:
159
Step-by-step explanation:
k (9) = (2 *
) - 3
= (2 * 81) - 3
= 162 - 3
= 159