Sue purchased three books for $3.75 each. how much did she spend in all?

Round 1.3981 to 3 significant figures

True or false The value 3pi/2 is a solution for the equation 2sin^2x - sin x - 1=0

Subtract 4x^3-6x^2+8x-9 from 7x^3-16+18

Which phrase is equivalent to "Franco must work a minimum of 32 hours"? The number of hours Franco works must be less than 32. The number of hours Franco works must be greater than 32.

Write in standard form 7 millions, 14 hundred thousands, 8 hundreds, 2 ones

Which statements are true? Select all that apply. Centigrams are larger than decigrams. Hectometers are smaller than kilometers. Dekaliters are larger than kiloliters. Grams are smaller than dekagrams.

The first row of a conference hall has 8 chairs and 2 additional chairs in each subsequent row. How many chairs are in the 9th row? How many chairs in total are in the first 9 rows?

Solve 22 + 2x=37 + 6 + x

The only solution to |r+3|=1 is - 2? true or false

1. mrs perry shares out 20 biscuits between gemma and zak in the ratio 1:4. how many biscuits do they both get? 2. mr castle shares out 80 marbles beween emily and asif in the ratio 7:1. how many marbles do they each get? 3.