# Posts by roel

Total # Posts: 8

**math**

Find the area of the square vegetable garden whose measure is given by the expresions (5x+3y)m.

**math**

A three-digit number between 600 and 700 is one less than 30 times the sum of the digits. Of the tens digit is one less than the unit digit, what is the number?

**Math**

x+x-1+6

**math**

the town mayor plans to build a pathway for the rectangular plaza whose length is 20 m longer than the width. If the pathway is 20 m shorter than twice the width. what is the length of the pathway

**physics**

a 6 kg box is stacked on top of a 15 kg box. anet leans down and pulls her elbow on the top box, exterting a force downward of -122N. what is the normal force on the top box

**biology**

what is the geologic time scale

**cytology**

who is robert hooke

**biology**

what is lamarck's theory

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