7. Aluminum has 3 valence electrons. What property of an element can be determined by the number of valence electrons?
a Group/family
b. Metal, Nonmetal, or Metalloid
C. Reactivity
d. Atomic Number

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.