Simplify 7(x + 3).
7x + 3
7x + 21
Ox+ 21
07x + 10

If square root x = -7, then x= -49 true or false

Secant be and cf intersect at point d inside a what is the measure of cde

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?