30+x=42 I think because it's has to equal 42 and he already has 30
Answer:
25 cm
Step-by-step explanation:
a^2 + b^2 = c^2
7^2 + 24^2 = c^2
49 + 576 = c^2
c^2 = 625
c = 25
Answer: 25 cm
9. she spends 1 hour total and 1/2 hour on spanish. So she has another 1/2 on another subject ( as she spends equal time on each subject)
So number of subjects = 1 / 1/2 = 1 * 2 = 2
The unit rate is $1.97 per lightbulb. Multiply $1.97 by 7 to get 13.79
9*13=117
12*16=192
We increased three meters to both the length and width of the garden.