Algebra
Which expression represents 4 less than twice a number, n ?
A. 4 - n B. n - 4 C. 4 - 2n D. 2n - 4
D. 2n - 4
The two given angles of a triangle are 36 degrees and 64 degrees. What is the messurement of the third angle?
80 degrees
What is the final costs of a coat and sweater if there is a sales tax of 10%?
Sweater = $10 T-shirt = $5 Coat = $40
The final costs would be $66
A bag contains 5 red balls, 4 blue balls and 2 yellow balls. The probability of selecting a yellow ball is:
A. 5/11 B. 2/6 C. 2/11 D. 1/2
C. 2/11
Solve for x.
2x+4-3x+6=82
x=-56
The radius of a circle is (2x+3)cm
The circumference of the circle is 43.982 cm
Solve for x.
x = 2cm