The phone cost 140 and then you pay for one year conctrsct 15 per month how much do you pay in total at the end of the year

Solve the triangle. a = 21°, c = 105°, c = 5

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?

Use pascal's triangle to find the missing values. x4 - 4xb + 6x2 - ax + 1