Simplify the following expressi a) 3x + 2 - 7y + x + 2y –
b) 2a + b + a + 3b
c) 4m + 7n + 5m - 5n
d) 2x2y + 5xy2 + 3x2y – 2
e) x2 + x + 2x2
Solution

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

Adoctor administers a drug to a 38-kg patient, using a dosage formula of 50 mg/kg/day. assume that the drug is available in a 100 mg per 5 ml suspension or in 500 mg tablets. a. how many tablets should a 38-kg patient take every four hours? b. the suspension with a drop factor of 10 ggt/ml delivers the drug intravenously to the patient over a twelve-hour period. what flow rate should be used in units of ggt/hr? a. the patient should take nothing pills every four hours. (type an integer or decimal rounded to the nearest hundredth as needed.)

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?