Multiply 15×2.23**  Simplify the expression: 4x+2+12x+17*

 Divide: 0.24÷0.012**

 Give two numbers that are less than -4.

i dont know i just need points

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

15 units use socratic

step-by-step explanation: 15 units

step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.