Answer:
-21
Step-by-step explanation:
-3 * 7
Answer:
17.9
Step-by-step explanation:
You could use PEMDAS but you don't really need to because this is just adding an subtracting.
Answer:
B
Step-by-step explanation:
Since the triangle is right use the sine/ tangent ratios to solve for x and y
note sin60° =
and tan60° = 
sin60° =
= 
ysin60° = 3
y ×
= 3
multiply both sides by 2 and divide by 
y v= 6
= 6
tan60° =
= 
xtan60° = 3
x ×
= 3
divide both sides by 
x = 3
= 3
It will take JJ 4 hours to mow all of the yards in his block alone
Answer:
5
Step-by-step explanation: