week 9 online weekend homework (math)

work out

5 + 2 x 7 = (a)  

work out

4 x (1 + 3²) = (a)  

Expand and Simplify

2(3y + 5) -4(y+2)

• -2y + 6
• 2y + 2
• 2y + 10
• 6y + 10

Solve for x

6(3x + 11) = 30

x = (a)  

Simplify

a⁴ x a³

• a⁵

• a⁸

• a⁷

• a⁶

• 6b⁵

• 12b⁹

• 6b³

• 4b⁵

Write down the square number which is a fcator of 100

• 50

• 25
• 10
• 5

In a desert the temperature at noon was 38^o C

At midnight the temperature was -3^o C

Find the change in temperature between noon and midnight.

(a)  

At midnight the temperature was -3^o C

At 2:00 the temperature was 4^o C below the midnight temperature

Write down the temperature at 2:00

(a)