Answer: I am in 6th grade and I just did this test too at K12 CAVA. I got the answer correct, it is:
376
Hope this helps.
729 ÷ 3 = 243
so if you do 243 × 3 = 729
so your answer will be 243
Answer:
16
Step-by-step explanation:
Use a special rule: BD^2=AD*DC (the squared height in right triangle drawn to hypotenuse is equal to the product of the parts of hypotenuse on which height divides the hypotenuse) 12^2=9*DC
DC=16
The answer is B. x = 29
Here's how I solved for x.
Step 1: Simplify 
to 
. Which leaves us with 
Step 2: Add 21 to both sides. Which leaves us with 
Step 3: Add 
to get your answer: x = 29
