Answer:

Step-by-step explanation:
-Given the two heights are similar:
#Heidi's flowered bed dimensions and volume is calculated as:


#The width of Andrew's is twice Heidi's. The width and volume is thus calculated as:

#Total soil volume of the soil used is determined by summing the two different flowerbed volumes:

Answer:
#10=10
Step-by-step explanation:
180-140=40 (complementary angle)
2z=40
Z=40/2
Z=20
i think it's b. model of car
24 is the least common denominator