0.0287 scientific notation

Solve the one-variable equation using the distributive property and properties of equality. - 6 (2 + a) = - 48 What is the value of a?

Sarah earns $525 more than Andrew each month. They spend $1250 a month and save the rest. Sarah does not have any savings at first. After 11 months she has $8250 in savings. How much does Andrew earn in a year?

Factor Trinomials (a>1) Factor completely. 2x^2+7x-4

Andrew collects stamps. He collected a total of 125 stamps. If 76% of the stamps he collected were foreign, how many other stamps did he collect? Blake collected stamps that were not foreign.

A car is traveling at a rate of 120 kilometers per hour. what is the car's rate in miles per hour? how many miles will the car travel in 5 hours? in your computations, assume that 1 mile is equal to 1.6 kilometers.

For which equation would x = 12 be a solution? x + 4 = 12 48 : x = 12 12 - x = 4 12x = 144

The rectangle below has an area of x^2-9 square meters and a width of x-3 meters. What expression represents the length of the rectangle?

Mr. Haney has 11 coins in dimes and quarters. The value of his coins is $2.15. how many dimes does he have?

Different varieties of field daisies have numbers of petals that follow a fibonacci sequence. Three varieties have 13,21, and 347 petals. How many petals do the next two varieties of field daisy have? a. 42, 55 b. 47,60 c. 42,50 d. 55,89

A certain hybrid car can travel 1 4/11 times as far as a similar non hybrid car can, each on one gallon of gasoline. If the non hybrid car can travel 33 miles per gallon of gasoline how far can the hybrid travel on 4/5 gallon of gasoline?