It will takes Horst 12 minutes to run 15 laps
3r-6=-21
3r-6+6=-21+6 (Add 6 to both sides...)
3r=-15
r=-5
3r-6=21
3r-6+6=21+6 (Add 6 to both sides...)
3r=27
r=9
r=-5 or r=9
Answer:
A (1/7)
Step-by-step explanation:The square root goes into 1 and 49 turning them into 1 and 7, which means it's a real number and u get A.
Answer:
<h2>27ft³</h2>
Step-by-step explanation:
1 yard = 3 feet
therefore 3 yards = 3(3 feet) = 9 feet
3yd × 3ft × 1ft = 9ft × 3ft × 1ft = 27ft³
