Figure ABCD is a rhombus. Find the value of x.
B
3x - 11
E
X +9
A
D
X = [?]
Help please

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

Can someone check if i did this correct. it’s number 4 if you’re wondering.

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?