How do I show the work of twenty plus x plus forty five plus ninety

A marketing firm for Cobra Auto Security Systems mailed out a survey to 35% of the households in New York City, Washington DC, and Chicago to determine the market for auto security systems.

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Is negative 5 a rational number

Match the following real numbers with the proper combination of number types on the right. 1. rational, integer, whole, counting, or natural 2. rational, integer, whole 3. rational, integer 4. irrational 5. rational a. sqrt 13 b. 2.4575757 ... c.

The polynomial 6x^2 + 37-60 represents an integer. Which expressions represents integer factors of 6x^2+37-60 for all values of x?

What are the coefficients, constants, factors and variables in the expression (2x + 15) (9x - 3) ?

42.5% of what is 20.57

A delivery person uses a service elevator to bring books up to an office the delivery person 160lb and each box of books weighs 60lb the maximum capacity of the elevator is 1230lb

If you flip a coin 300 times how many times would you expect the coin to lands head up? Explain your reasoning (write in complete, mathematically precise sentences).

What is 305 divided by 5 using the distributive property in division without remainders