Cos (a-b) = cos a cos b + sin a sin b for all values of a and b. True or False

Which decimal is equivalent to -35?

Lucy has a strawberry lace that is 36cm long. She needs pieces 18mm long to decorate a cake. How long is the 36cm one in mm

What is 4 and 16/25 simplified

Super Store sells 3 sure-grip pencils for $0.75 and Mighty Mart sells 23 of the same kind of sure-grip pencils for $4.60. What proportion could you write to see which is the better buy?

A total of 820 tickets were sold for the school play. they were either adult tickets or student tickets. there were 70 more student tickets sold than adult tickets. how many adult tickets were sold?

The table shows the prices for games and Bella soccer league. her parents and grandmother attend a soccer game. how much theu spend if they all went together in one car?

Alita is knitting a scarf. She will make 1/8 of it using white yarn, 2/8 using green yarn, 3/8 using red yarn, and the rest of the scarf will be made with blue yarn. What fraction of the scarf will be blue? Show your work.

Solve 3x^2 - 5x - 1 = 0 by using the Quadratic Formula. If necessary, round to the nearest hundredth.

Five less than the product of - 3 and a number is - 2 Needs to be an equation

Create an equation and solve. The cost of a concert ticket for a student is $2 less than one half of the cost for an adult. The cost of the student ticket is $5. Let 'a' represent the cost of an adult ticket.