A text message plan costs $2 per month plus $0.49 per text. Find the monthly cost for x text messages. The monthly cost of x messages is
dollars.
(Use integers or decimals for any numbers in the expression.)

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

Agraphic designer created a logo on eight and a half by 11 inch paper. in order to be placed on a business card, the logo needs to be one and 7/10 inches by 2 and 1/5 in. what is the scale factor of the dilation

How to find the exponential function y=ca^x, with points (1,2) and (2,1)