7 hours and 20 min, hope this helps mark me the brainliest
Answer:
How long did she work for though?
Step-by-step explanation:
⇒ s = a+b+c2=5+12+132 a + b + c 2 = 5 + 12 + 13 2 = 15 cm.
Area of the base = √s(s−a)(s−b)(s−c)
= √15×10×3×2 15 × 10 × 3 × 2 cm2 = 30 cm2
A Andreas dad weighs 91 k.
B Andrea and her dad both weigh 91 k.
