unitary method .The speed of a car is 80 km per hour .How much distance it cover in . 45 . 3 hour.2 hour​

1. are the triangles similar and if so why? what is the value of x? show your work.

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.