Use the picture and the table to answer the question. A black and white rock with no shine is shown. The rock appears to have a rough texture.

Item Mohs Hardness
fingernail 2.5
penny 3
knife 5.1
steel nail 6.5
You have found the mineral shown in the picture. A knife won’t scratch it, but a nail will.

Describe at least four properties that would help you identify the mineral.
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225/100 of last years cost. write each fraction as a decimal and as a percent

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Eight people were asked what the balance of their savings account at the beginning of the month was and how much it increased or decreased by the end of the month. create a scatter plot that represents the data that is shown in the table. the x-axis represents the beginning balance in thousands of dollars and the y-axis represents the change in the savings account in hundreds of dollars. name beginning balance (in thousands of dollars) change in savings account (in hundreds of dollars) jimmy 5 3 kendra 4 7 carlos 5 4 yolanda 3 1 shawn 2 5 laura 3 2 andy 5 6 georgia 4 3