Answer:
1) -3 x 3=-9
2) -3x-3=9
3)20x5=100
4) 21x-3=-63
5) -2x3x-4=24
note: negative x positive= negative
negative x negative=positive
positive x positive= positive
Step-by-step explanation:
hope this is helpful
Answer: 36
Step-by-step explanation:
To figure this out do 45 - 9 and you get 36.
Answer:
b = 54 cm
Step-by-step explanation:
We can use proportions if the shapes are similar
Take the same side lengths over each other.
81 cm b cm
----------- = --------------
24 cm 16 cm
Using cross products
81 *16 = 24*b
Divide each side by 24
81*16/24 = 24b/24
54 =b
