What is the answer to 12 plus -7?

How do you write numerically 3 thousand's 9 hundred's and 6 ones? What is -21 divided by 90? How do you write 8.517 as a fraction? What name is given to an angle of 58 degrees? How is graphing and graphing a line on a line segment on a coordinate plane different? What are the five consecutive odd numbers of 745? What is difference between HYSD bars and TMT bars compare chemical composition also? Make up a set of 7 numbers having the following landmarks mode 21 median 24 maximum 35 range 20? What is the variable fourteen times x? What is (3x-20)? What symbol is used within a bridge symbol to indicate that the overhead clearance is unlimited? What is 50000 square meters in acres? What is the absolute value of 23-5? What is the percent for 7 over 100? How much does an cutie weigh in grams? What is the relation between sanskrit and maths? What is a substance mixed with simpler substances by chemical means? What is 14 divided by 0.875? What is the GCF of 20 over 32? How many is 4 dozen?