Yes it is absolutely correct. Good job!!
**You used trig :)
Answer:

Step-by-step explanation:
Plant food used on strawberry plants is

Plant food used on tomato plants is

Feeding the strawberry plants two times means

Feeding the tomato plants one more time means

The plant food he will need is 
Answer:
The answer is 4/10
Step-by-step explanation:
If you add all marbles in both bags it equals 40. There are 10 pink marbles in both so 40 / 10 is 4 and the denominator would be 10. 4/10
Answer:
17
Step-by-step explanation:
Sin0= y/r
X= -4 and r= 9 (radius is also the hypotenuse)
In quadrant II y is positive
X^2 +y^2 = r^2
-4^2 + y^2 = 9^2
16 + y^2 = 81
Y^2 = 81-16
Y^2 = 65
Y= sqrt65
Sin0= sqrt65/9